pressure fan

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pressure fan [′presh·ər ‚fan]

(mining engineering)

A fan that forces fresh air into a mine as distinguished from one that exhausts air from the mine.

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No references found			We isolated the supply and had to use a positive pressure fan to ventilate the property. Gas theft put lives at risk; HOMES EVACUATED AFTER MAN TAMPERS WITH ... by Evening Chronicle (Newcastle, England) Fire fighters used positive pressure fans and a water curtain to fumigate the centre. 200evacuatedinchemicalleakscare by Liverpool Echo (Liverpool, England) Firefighters extinguished the blaze and a pressure fan was used to ventilate the store room, which measures 50ft by 30ft. Blaze drama at office block; FIRE: Emergency crews seal off city ... by Coventry Evening Telegraph (England)			pressure cable pressure carburetor pressure casting pressure cell pressure center Pressure Chamber pressure coefficient pressure connector pressure contour pressure control pressure cooker pressure creosoting pressure decline pressure deflection pressure depletion pressure depth pressure distillate pressure distribution pressure drag pressure drainage pressure drawdown pressure drop pressure dye test pressure effect pressure elements pressure fan pressure field pressure force pressure forming pressure fringe pressure front pressure gage pressure gauge Pressure Gradient pressure group Pressure Groups pressure gun pressure head pressure hydrophone pressure ice pressure ice foot Pressure Indicator pressure interface pressure ionization pressure jump pressure line of position pressure maintenance pressure mark pressure measurement pressure melting pressure melting temperature			pressure dome Pressure drag Pressure drag pressure drainage pressure drawdown pressure dressing pressure dressing pressure dressing Pressure drop Pressure Drop Correction Factor pressure dye test pressure edema pressure effect pressure effect pressure effect pressure effect pressure elements Pressure Elevation Factor Pressure Environment Equipment pressure epiphysis Pressure Equalized Rain Screen Insulated Structure Technique Pressure Equalizer Pressure Equalizing Module Pressure Equipment Association, Inc. Pressure Equipment Company Register Pressure Equipment Directive Pressure Equipment Limitied Company Pressure Equipment Safety Legislation Pressure Equipment, Cranes and Passenger Ropeways Pressure Falling Rapidly pressure fan pressure feed pressure field Pressure flow hypothesis Pressure flow hypothesis pressure force pressure forming pressure fringe pressure front pressure front pressure gage pressure gage pressure garment pressure garment Pressure Garment Assembly Pressure Gas Welding pressure gauge pressure gauge pressure gauge pressure gauge pressure gauge Pressure gradient Pressure gradient Pressure gradient Pressure gradient Pressure Gradient for Venous Return Pressure gradient force Pressure gradient force Pressure Gradient Scaling Pressure gradients Pressure gradients

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