It means he thinks you are lovely. that's a beautiful compliment, but it doesnt necessarily have to mean more than that. It means he secretly likes you and doesn't have the courage to tell you that he likes you to your face. could just be flirting to see what you're reaction would be like.
Medical air is also used during anesthesia as a substitute for nitrous oxide to reduce the high concentration of oxygen exposure. While the source of medical air may be a manifold with a bank of compressed air cylinders, most hospitals use a compressor system. This article will refer to installations with air compressors. An illustration of a typical medical air plant is provided for your reference throughout this article's discussion.
One of the most useful and versatile tools that you will ever own is an air compressor. More than just a tire inflator, it can be used to power your spray gun, nail gun, power wrench, and so much more. When shopping for an air compressor or tire inflator, you will notice that there are two standard types of air compressors on the market: piston-type compressors and portable compressors. The most common is the portable compressor, although the piston type is usually found in a commercial-garage setting or in the home garage of someone who does a lot of automotive repairs.