Learn how old AC and fridge compressors are turned into copper. See how factories recycle scrap compressors, recover copper, ...

Watch how old compressors are recycled into strong steel rods. See the step-by-step process of turning scrap metal into high-quality steel, helping to save natural resources. Learn how recycling metal ...

The portable air compressors sold at big box hardware stores ... is the swirl tube [Stephen] builds out of an old CO2 cylinder. The idea is that this will centrifugally clean the air, not ...