Industry
Mechanical Or Industrial Engineering, Blowers, axial flow (helicoidal), Heating, ventilation, air conditioning (HVAC) and refrigeration equipment, Construction, Fans, noiseless, variable flow, industrial, Ventilators, fire and smoke protection, Turbofans, ventilation, Blowers for steelworks and foundries, Fans and ventilators, radial (centrifugal), Blowers, medium pressure