Compressed air tool is often described as the fourth utility, because in spite of there is no such great ubiquity as electricity, oil and gas, plays a key role in the modern world.
The importance of compressed air is often undervalued, but actually it plays a great role in most processes of modern manufacturing and civilization. Compressed air tools represent about 10% of all energy used globally in the nowadays industry.
For the most people, enough one compressor to compress the air, but to obtain a right quality of compressed air, often it is necessary more than one equipment. Filters and dryers are very often necessary to remove oil and water before they reach the application.