Condition: excellent (used), Year of construction: 2011, Höcker Polytechnik MultiStar VT 6/3 – Baghouse Filter * Manufacturer: Höcker Polytechnik GmbH, Germany * Type: MultiStar VT 6/3 – 78/207171 * Year of manufacture: 08/2011 * Project No.: 424630 * Article No.: 118136 * Filter area: 78.6 m² * Dust class: M * Filter cleaning: Shaking cleaning * Drive power: 0.18 kW * Voltage: 230/400 V * Frequency: 50 Hz * Certification: BG-EXAM * Country of origin: Germany Bodpfxj Aaw Rzo Abuedi For sale: Industrial baghouse filter for dust collection with mechanical filter cleaning.

Condition: used, Year of construction: 2012, Used Machine Year of Manufacture: 2012 Features: - Dust collector - Briquetting press Technical Specifications: Vacumobil JP 300: - Nominal airflow: 5,100 m³/h - Max. airflow: 6,000 m³/h - Pressure differential at nominal airflow: 2,700 Pa - Pressure differential at max. airflow: 2,200 Pa - Filter area: 28.0 m² - Suction inlet: 300 mm - Inlet height: 1,215 mm (centered) - Fan motor: 7.5 kW - Customer-supplied fuse: 32 A - Compressed air connection: 1" - Operating pressure: 4.5 bar - Compressed air consumption: approx. 120 NL per pressure pulse at a pulse duration of 150 ms - Sound pressure level: 75.0 dB - Weight: 900 kg CS3-12 briquetting press: Maximum throughput: 50 kg/h or 0.75 m³/h (depending on material) Bdedpfxo Ad Rnue Abuoi - Hydraulic pump motor: 3.0 kW - Agitator motor: 0.37 kW - Feeding screw motor: 0.75 kW - Customer-supplied fuse: 16 A - Briquette diameter: 65 mm - Weight: 780 kg - Feed hopper: 1200 x 1200 mm Overall external dimensions: 3150 x 1625 x 2742 mm Footprint: 4,500 x 3,000 x 2,900 mm Available starting in June/July 2027

Condition: used, Year of construction: 2016, Waste disposal system consisting of: Bdjdpjz Rrbdsfx Abuji 1 Clean air dust collector with briquetting press JP 350-L 1 Clean air dust collector with rotary valve airlock JZ 350-L Year of manufacture: 2016 Technical data JP 350-L: Suction nozzle: 350 mm Nominal volume flow: 6580 m³/h Maximum volume flow: 8000 m³/h Negative pressure at nominal volume flow: 2750 Pa Motor power: 11 kW Rated speed: 3000 rpm Technical data briquetting press CS3-12: Throughput capacity max. 50 kg/h or 0.75 m³/h (material-dependent) Motor, hydraulic pump: 3.0 kW Motor, agitator: 0.37 kW Motor, dosing screw: 0.75 kW External fuse: 16A Briquet diameter: 65 mm Weight: 780 kg Storage container: 1200 x 1200 mm Overall external dimensions: 3150 x 1625 x 2742 mm Space required: 4500 x 3000 x 2900 mm Availability: approximately 11/2027 Location: Hesse

Condition: excellent (used), Year of construction: 2021, Extraction connection, D 140mm Chip collector capacity 200L Airflow rate [m³/h] 2500 3 kW, 400V Bedjzxql Ejpfx Abuedi

Condition: good (used), Year of construction: 2006, radial fan, dust extraction blower, fan, extraction, dust blower, blower -Manufacturer: Airheat, radial fan with soundproof housing -Type: RDH-500-11.0 Bodpfxozwdn De Abuedi -Volume flow rate: 20000 m³/h -Motor: Hoyer 15 kW 1460 rpm -Dimensions: see technical drawing in the photos -Overall dimensions: 1800/1110/H2900 mm -Weight: 584 kg

Condition: used, Year of construction: 1994, used Bdedpfoz Np I Sex Abuoi in top condition cleaned functionality tested Manufacturer: Höcker Polytechnik Type: Year of manufacture: 6/94 Machine no.: 37273 Slow-speed operation, approx. 1400 rpm: 1460 Motor kW: 18.5 Connection diameter mm: 450 / 450x350 Pressure Pa: 2800 Air flow rate: 13200 m³/h Space requirement, approx. L x W x H mm: 2000x1200x1600 Weight, approx. kg: 150 Total connected load kW: 18.5 Location: 97447 Gerolzhofen, free loading, unpackaged Handover in the current condition as inspected without guarantee and warranty

Condition: like new (used), Year of construction: 2023, Used System Year of Manufacture: 2023 Condition: Like new, very few operating hours Features and Technical Specifications: ECO JET DUO 6 XL ZRS stationary clean air filtration system for extracting wood dust and chips Fans: 2 x 7.5 kW Airflow: 10,000 m³/h Vacuum: 2,700 Pa (total) / 2,200 Pa (static) 80 filters, each 2.50 m long, BIA Category M, electrically conductive, including support baskets Filter area: 77.6 m² Filter area load: 129 m³/(m² x h) Filter cleaning: AL-KO OPTI-JET® Bdedpfxozlbqrj Abuei Pressure relief areas: 0.84 m² (rupture discs) Base structure with feed hopper and rotary valve; dry conveying with C-coupling ECO JET DUO 6 ZWR XL, 1,100 mm spacer ring to raise the unit, with 2 intake openings Base unit with feed hopper and ZRS 960/1 FG rotary valve for chip disposal via a customer-supplied transport fan into a silo or similar; transport line DN 200, approx. 1,260 mm, connection to be provided by the customer Rotary valve ZRS 960/1 FG: - ATEX Directive 94/9/EC; CE 0588 Ex II 1D/- (unit for indoor/outdoor use); EX D; FSA 11 ATEX 1614X - Motor: 0.18 kW / 0.78 A, 3-phase / 400 V / 50 Hz - Protection class/design: IP 54 / B3; Insulation class F - Speed: 41 rpm; Flow rate: 15,744 l/h*; 7 cells - Inlet/outlet: 960 x 250 / 960 x 208 mm - Dimensions: 1,100 x 605 x 330 mm; Temperature range: up to 50 °C Additional features: - 400 mm suction inlet with check valve in rectangular duct - ECO JET backflow check valve 910 x 346 x 500 mm AL-KO Control System ACS II: - Touchscreen display, ST 1200 controller, Sitop Power power supply, 24 V control voltage, and integrated frequency converter for cascade connection of up to 2 fans up to 37 kW with frequency converter interface - Plain-text error messages on the display, as well as a collective error message and indicator light; manual start of discharge via display button and cleaning via button; cleaning start via differential pressure; Post-cleaning; external start via potential-free contact; operating hours counter; maintenance interval indicator; control cabinet lighting and ventilation; monitoring/evaluation of fire damper, residual dust sensor, fill level sensor, and maximum filter pressure - 10 individually controlled solenoid valves - Gate valve control in groups of 4 for up to 8 machines: control via potential-free contact (PFC) or induction coil; 24 V DC shut-off valves, motor-driven with single-wire control or electropneumatic; max. 4 plates per conveyor line - ZRS power module up to 0.18 kW; time parameters adjustable via touchscreen - Rupture disc sensor and evaluation unit; pressure transmitter for frequency converter; pressure cells; strobe light; 2 x PTC thermistor evaluation; rotation monitoring of the rotary valve - 24 V DC exhaust/return air switching for summer/winter operation - Filter monitor/residual dust monitoring with evaluation unit in accordance with DIN EN 12779 and H3: If 0.3 mg/m³ is exceeded, a self-holding alarm is triggered and the recirculation damper switches to exhaust air - 10-terminal junction box, 24 V/230 V, fully wired for filter cleaning, including approx. 6 running meters of cable - Ducting system including elbows, branches, reducers, PU hoses, machine connections, small parts, and EP dampers for exhausting 11 woodworking machines 1 HRS according to specification - Return air system in accordance with TRGS 553, with changeover damper and fire damper - Galvanized base fra...

Condition: excellent (used), Year of construction: 2014, Scheuch cyclone with rotary valve and spark extinguisher for wood chips Cyclone as bunker or silo structure with attached rotary valve Designation: fru v 1000-04/014-B Serial No.:/Year: F-1633/14 Bdedpfx Aeuvdplsbuei System is dismantled and immediately available

Condition: used, Year of construction: 1996, used good condition cleaned function tested Manufacturer: Höcker Polytechnik Type: Vacumobil EA 160 A Year of manufacture: 1996 Machine no.: 931014 GS dust tested CE type tested Clean air unit Underpressure Filter cleaning, automatic Bdjdpfxoz D Iuxs Abuji Filter cleaning, manual-motorized Connection diameter mm: 160 Motor kW: 3.0 Pressure Pa: 2580 Air flow m³/h: 1447 Weight approx. kg: 250 Storage location: 97447 Gerolzhofen, free loading, unpacked Handover in the current condition as inspected, without warranty and guarantee

Condition: excellent (used), Year of construction: 2009, functionality: fully functional, Mobile dust extraction unit AL-KO Mobil-Power-Jet 100 for use with woodworking machines. Bdjdpfx Abjzzadcjusi This compact dust extraction system is designed to be mobile and is suitable for extracting wood dust and chips directly at the machine. The rollers allow the unit to be used flexibly in different work areas. Technical data / Features Manufacturer: AL-KO Type: Mobil-Power-Jet 100 Year of manufacture: 2009 Manufacturer’s serial number: 2433338514 Item number: 195 426 Nominal volume flow: 700 m³/h Minimum volume flow: 565 m³/h Suction nozzle: Ø 100 mm Motor power: 0.75 kW Voltage: 230 V / 50 Hz Nominal speed: 2,850 rpm Nominal current: 4.85 A Protection class: IP54 Negative pressure: approx. 1,020 Pa Dust class: M Mobile / can be moved on rollers The machine will be inspected before sale. For used machines with a year of manufacture of 2009 or earlier, the warranty is excluded when sold to commercial customers. Transportation is possible for an extra charge! Technical data and features may vary. Errors, prior sale and changes are subject to confirmation. All information is provided without guarantee.

Condition: like new (used), Year of construction: 2026, Cyclone separator / extraction system in a robust, welded design optional: rotary valve fan piping Bjdpoztzmvsfx Abusdi steel frame please specify the required air flow rate in m³/h when requesting a quote.

Condition: used, Year of construction: 2004, Used machine with separate base frame for Vacomat S/N and discharge screw Year of manufacture: 2004 Features and Technical Specifications SCHUKO VacoVent 750 fan unit - Clean air exhaust fan for SCHUKO Vacomat filter systems - Motor power: 7.5 kW - Nominal airflow: 5,089 m³/h - Associated negative pressure: 3,720 Pa - Sound pressure level: 72 dB(A) - Compact, separate fan unit for integration into a compatible extraction system Separate base unit for Vacomat S/N - Equipped with a motor-driven discharge screw - Mechanical discharge of collected dust and chip material for further conveyance - Gear motor power: 0.55 kW - Operating voltage: 400 V - Current consumption: 1.55 A - Frequency: 50 Hz - Screw drive speed: 11 rpm - 3-phase alternating current - Manufactured in Germany Bedpfxs Af I Ims Abusdi Shipping dimensions: - Fan unit: 1,230 × 840 × 905 mm - Base frame: 1,400 × 1,280 × 1,100 mm - Base frame weight: 268.5 kg

Condition: used, Year of construction: 1998, power: 7.5 kW (10.20 HP), input voltage: 400 V, input frequency: 50 Hz, type of input current: three-phase, volume flow: 6,107 m³/h, intake manifold diameter: 300 mm, overall weight: 650 kg, year of last overhaul: 2024, We are offering this used Höcker Polytechnik EA 300-7A dust extraction unit, manufactured in 1998. Model: EA 300-7A Suction diameter: 300 mm Nominal volume flow: 6107 m3/h Bedpfx Aboz Rixmsuedi Minimum volume flow: 5089 m3/h Motor power: 7.5/0.18 kW Rated speed: 3000/900 min-1 Power supply: DS (3-phase) Frequency: 50 Hz Rated operating voltage: 400 V Rated current: A Weight: 650 kg Order number: 139414 Year of manufacture: Nov/1998 Equipment number: 92100 If you have any questions or require further information, please feel free to send us a message or call us.

Condition: used, Year of construction: 2026, functionality: fully functional, CORMAK FM350 Dust Collector – Industrial Sawdust and Chip Extraction System The CORMAK FM350 is an industrial-grade dust extraction system designed for efficient and reliable removal of sawdust, chips, and fine particles in professional woodworking facilities. Thanks to its powerful suction performance, large-capacity collection bags, and the ability to connect up to four woodworking machines simultaneously, the FM350 provides effective dust control even in demanding production environments. Key advantages Powerful 3.8 kW motor (400 V) – ensures reliable continuous operation in industrial conditions. High airflow capacity of 4,860 m³/h – efficiently removes large volumes of sawdust and wood chips. Heavy-duty metal centrifugal fan – durable steel impeller provides quiet, vibration-free operation. Robust steel construction – powder-coated finish protects against corrosion and mechanical damage. Adjustable leveling feet – allow precise positioning even on uneven floors. Six 200 L collection bags – large waste capacity reduces the frequency of emptying. Quick bag replacement system – steel clamps enable tool-free and fast bag removal. Connection for up to four machines – suction manifold with 1 × Ø180 mm and 4 × Ø100 mm outlets provides flexible installation options. Construction and technology Bsdpfx Ae Afnk Nebuedi The CORMAK FM350 is equipped with a durable steel centrifugal fan and a reinforced support structure designed for intensive industrial operation. High-quality components ensure resistance to overloads and long-term reliability. The modern bag mounting system allows quick maintenance and convenient replacement of filtration and collection bags. Precision and performance Thanks to large-surface fabric filter bags and high suction pressure, the CORMAK FM350 dust extractor provides excellent working conditions even during heavy-duty woodworking operations. Effective dust removal improves air quality, increases operator comfort, and contributes to a safer production environment. Applications The CORMAK FM350 is designed for: wood processing plants – extraction from saws, planers, routers, and other woodworking machines professional carpentry workshops requiring multi-machine extraction technical schools and training facilities large industrial halls requiring a high-capacity sawdust extraction system Standard equipment 3 fabric filter bags 3 fabric collection bags Suction manifold: 1 × Ø180 mm / 4 × Ø100 mm Optional equipment Galvanized hose clamps 3-micron filter cartridge Technical specifications Parameter Value Extraction capacity 4,860 m³/h Collection bag volume 3 × 200 L Number of bags 6 Suction connections 1 × Ø180 mm, 4 × Ø100 mm Dimensions (L × W × H) 2355 × 590 × 2150 mm Weight 125 kg Motor power 3.8 kW Power supply 400 V / 3-phase PLEASE NOTE!!!! This machine is a returned item; it comes without its original packaging or splitter. NO WARRANTY AND NO RETURNS!

Condition: used, Year of construction: 2026, New demonstration machine! List price €21,690 net. High-performance dust extraction unit for extracting dust from machining centers, suitable for installation in the work area outside of potentially explosive zones. Key design features: - Galvanized steel sheet construction - Space-saving due to its compact design - Delivered in operational condition - ATEX - Impact resistance tested (FSA) - Low energy consumption with high performance thanks to a high-performance fan arranged on the clean air side with a special impeller - Energy-saving motor of efficiency class IE3 - 3 large-volume collection containers with liner bags - Collection volume 495 liters - High operational safety and long service life thanks to BGIA-tested filter hoses - Compressed air pulse cleaning ("Jet" cleaning) with time-dependent control for regenerating the filter surface - Alpha control with automatic start function (slide valve control available at extra cost) - Connection cable, 5 m long, with plug - Automatic fire suppression system with special extinguishing agent container (no connection to the water supply required) - The extinguishing agent, ABC powder, is not suitable for fires involving metals as well as cooking fats and oils - Check valve, type-tested - Design according to DIN EN 16770 - Residual dust content in the exhaust air below 0.1 mg/m3 - Passed GS-HO-14 "GS - H3" test - A T T E N T I O N ! - The compressed air pipe from the compressed air tank, a pressure regulator, a maintenance unit, a filter and a water separator are not included in the scope of delivery. These parts must be connected on-site. - The pressure regulator must be mounted directly in front of the compressed air tank in the supply line. The compressed air must be absolutely dry, dust-free and oil-free. - N O T I C E ! - Uniform filling of the collection containers cannot be guaranteed due to process-related reasons. Suction nozzle arrangement: Left Nominal volume flow *) : 3535 m3/h Maximum volume flow: 5500 m3/h Negative pressure at the interface *): - At nominal volume flow: 2950 Pa - At maximum volume flow: 2200 Pa Filter area: 20.5 m2 Suction nozzle: 250 mm Nozzle height, approx.: 968 mm, center Motor - Fan: 5.50 kW, 3x400 V, 50 Hz Fuse: 32 A (on-site) Compressed air connection: 1/2 " (on-site) Operating pressure: 4.5 bar Compressed air consumption: approx. 45 Nl, per compressed air pulse with an impulse time of: 60 ms Sound pressure level: 73.0 dB(A) Weight, approx.: 760 kg Dimensions, L x W x H: 2750 x 1030 x 2500 mm *) Mandatory information according to GS-HO-07 at 20 m/s and with the filter hoses under load (beech test dust). In the delivery condition and under practical conditions with coarser dust, the suction power is significantly higher. Scope of delivery: - Filter hoses, externally pressurized, permeability < 0.5 % (BGIA) - Energy-saving motor of efficiency class IE3 - 3 large-volume mobile collection containers - Mitsubishi-Alpha control with automatic start function (6 I-coils can be connected) and runtime addition - Input for external shutdown signal (limit switch, etc.) - Jet cleaning with time-dependent control - Type-tested check valve - Automatic fire suppression system (with special extinguishing agent) "GS-wood dust tested - H 3" Bdjdszxtz Nspfx Abuoi Optional equipment: Control on the operator side IE5 efficiency power pack Up to 25% efficiency advantage with the optional IE5 efficiency power pack. Vacumobile with IE5 synchronous motors reduces your electricity consumption an

Condition: excellent (used), Year of construction: 2011, Clean air filter with rotary valve airlock Integrated pre-separator Negative pressure monitoring Fire extinguishing system with powder fire extinguisher PLC control Machine recognition and damper control for 8 machines/dampers Filter material with BIA test, category “M” Chip disposal via rotary valve airlock Maintenance opening for raw gas area Motor power: 9.2 kW / 3-phase / 400 V / 50 Hz Intake nozzle: DN 300 mm Nominal volume flow: 4810 m3/h Maximum volume flow: 6000 m3/h Negative pressure at Vn: 2100 Pa Filter area: 40 m2 Residual dust content: < 0.1 mg/m2 - H3 Sound pressure level: 81 dB(A) Compressed air consumption: 60 Nl/pulse Compressed air connection: 6 bar Dimensions L x W x H = 3015 x 970 x 2,280 Weight: 802 kg Bdodj Adrxbepfx Abuei Note regarding used machines: • Errors and omissions in technical specifications and prior sale are reserved. • Stated prices are ex works, excluding loading! • The machine has been cleaned and functionally tested. • All machines are sold as is, without any warranty. The buyer is free to inspect the machines at the location. • Special agreements are only possible in writing. (We only answer inquiries if you provide your address and telephone number!)

Condition: excellent (used), disassembly included in the price Bodpezvpxljfx Abuedi air return duct fan motor power: 15 kW screw conveyor total lock 72 filter bags mechanical filter cleaning transfer fan for sawdust

Condition: used, Year of construction: 2012, Dust collector JP 300-L with briquetting press CS 3-12-R Bdedpfxez Rrbke Abuji Year of manufacture: 2012 Equipment: Dust collector Briquetting press Technical data: Vacumobil JP 300: Nominal volumetric flow rate: 5100 m3/h Maximum volumetric flow rate: 6000 m3/h Pressure difference at nominal volumetric flow rate: 2700 Pa Pressure difference at maximum volumetric flow rate: 2200 Pa Filter area: 28.0 m2 Suction nozzle: 300 mm Nozzle height: 1215 mm (center) Fan motor: 7.5 kW On-site fuse protection: 32 A Compressed air connection: 1" Operating pressure: 4.5 bar Compressed air consumption: approx. 120 NL per pressure pulse with a pulse duration of 150 ms Sound pressure level: 75.0 dB Weight: 900 kg Briquetting press CS3-12: Throughput capacity max. 50 kg/h or 0.75 m3/h (material-dependent) Hydraulic pump motor: 3.0 kW Mixer motor: 0.37 kW Metering screw motor: 0.75 kW On-site fuse protection: 16A Briquet diameter: 65 mm Weight: 780 kg Storage container: 1200 x 1200 mm Overall external dimensions: 3150 x 1625 x 2742 mm Space required: 4500 x 3000 x 2900 mm Location: NRW (North Rhine-Westphalia) Availability: approx. June/July 2027

Condition: excellent (used), Year of construction: 2019, Clean air filter (filter class M, filter bags, i.e. suitable for fine dust) Technical data: Motor power: 7.5 kW / 3-phase / 400 V / 50 Hz Intake nozzle diameter: 300 mm Max. volume flow: 5,750 m3/h Bdodpfx Ae Aazbwobusi Negative pressure at rated flow: 3,100 Pa Filter area: 30.0 m2 Number of filters: 60 pcs Compressed air cleaning Incl. integrated pre-separator Incl. integrated extinguishing system (connection to the water supply) Chip collection volume: 3 x 250 l Sound pressure level: 75 dB(A) Incl. dust baffle Incl. CE & all documents Dimensions L x W x H = 3435 x 1100 x 2440 mm Weight 850 kg Note regarding used machines: • Subject to errors in technical data and prior sale. • Indicated prices are ex-works prices, collection only - free loading! • The machine has been cleaned and function-tested. • All machines are sold as seen, without any warranty claims. The buyer is free to inspect the machine on site. • Special agreements are only possible in written form. (We will only answer inquiries if you provide your address + telephone number!)

Condition: excellent (used), ALKO Power Unit 250 P – used – clean air extraction unit Air filtration using filter hoses, pneumatic cleaning, movable collection container, automatic fire extinguishing system ----- Technical data ----- Extraction nozzle diameter: 250 mm, Nominal volume flow: 3,534 m³/h, Number of bags: 2, Motor: 7.5 kW, Compressed air connection: 6 bar, Dimensions (L x W x H): 2,420 x 1,000 x 2,360 mm, Weight: 758 kg Quality information: - Complete basic inspection - Complete basic cleaning - Electrical system checked - Pneumatic system checked - Ready for immediate use Bdedpfxozzn Iie Abuei

Condition: excellent (used), Year of construction: 2010, I sell the complete aspiration system ELBH 4x Ventilator 7,5 - 11,0 KW Total power apprx. 40.000 m3 / hr. Recuperation system for returning the hot air back Bedpfx Aeyzch Tebuodi Waste entry in container Full system of dust extraction hoses. pneumatic pads, safety elements included in price. Possible to sell immediately only as a complete set.

Condition: used, Used Machine Year of Manufacture: Unknown Bdodpfx Abs Agcnkeuoi Features and Technical Specifications - Motor: 3 kW - Exhaust Opening: 200 mm

Condition: used, Used Machine Features and Technical Specifications Bodpfx Abj Af Nafeusdi - Motor: 4 kW / 2,910 rpm - With steel blades - Outlet openings: 200 mm

Year of construction: 1999, condition: good (used), Table dimensions 2000 x 1000 mm Bjdps Aa A I Eofx Abujdi Motor output 0,75 kW Air consumption 4300 m³/h Year 1999

Condition: like new (used), EXHIBITION MACHINE For sale is a like-new JET Cyclone dust extraction system JCDC-2 with a suction volume of 2,159 m³/h. The exhibition machine is in its original condition, therefore you receive the full warranty. Technical data: - Motor 230 V / 1.5 kW - Motor speed 2,800 rpm - Suction volume 2,159 m³/h - Hose connection diameter 152 mm - Hose diameter 2 x 100 mm - Filter efficiency 99% at 2 micrometers - Drum volume 113.6 l - Size of the drum collection bag (D x L) 780 x 830 mm - Size of the container collection bag (D x L) 500 x 600 mm - Noise level approx. 76 dB (LpA) - Timer setting remote control 2, 4, 6, 8 hours - Dimensions (L x W x H) 658 x 1,286 x 1,835 mm - Weight approx. 94 kg (107 kg gross) The machine is located in A-5431 Kuchl and can be inspected at any time during our opening hours. Subject to prior sale! Freight shipping: Austria: € 60.00 incl. VAT Germany: € 80.00 incl. VAT South Tyrol: € 120.00 incl. VAT Bdedpfx Asz Hc H Iebuei Related terms: JET, dust extraction system, cyclone dust extraction system, cyclone extraction, cyclone separator, dust extraction system, dust extraction unit, chip extraction, chip extraction system, wood extraction, wood chip extraction, workshop extraction, workshop dust extraction system, dust extraction, dust extraction system.