Rotary screw electric air compressors provide a continuous supply of air. They have two internal screws that rotate in opposite directions, trapping and compressing air. The constant movement differs from piston air compressors that start and stop to meet air flow needs.
[pdf] Qatar's Ministry of Municipality (Al Baladiya) has a special service for the disposal of volumetric waste from homes, including furniture, clothes, glass, wood, iron, household waste, plastic, electrical.
[pdf] Check for correct oil level at the ll plug location on the compressor. The oil level is full when oil is at the bottom of the threads in the ll plug hole. Check for oil purging from the air dryer. Refer to the image below as an example.
[pdf] 
