System for purifying contaminated water and preventing green or red tide
DUST COLLECTION MECHANISM, VEHICLE-MOUNTED AIR PURIFIER AND FAN
DUST COLLECTION MECHANISM, VEHICLE-MOUNTED AIR PURIFIER AND FAN
Apparatus and method of lifting up micro particles in atmosphere by electrons
Pneumatic system and method for heating compressor oil and/or components of the system
PNEUMATIC SYSTEM AND METHOD FOR HEATING COMPRESSOR OIL AND/OR COMPONENTS OF THE SYSTEM
Automatic command device that mimics a traffic police