2 examples of cold-air in sentences

Inventors are now at work on cold-air stoves that draw in warm air, extract the heat from it, and deliver it purified and cooled by many degrees.

The cold-air process, that latest of scientific contrivances to arrest the waste of tissue, has now been applied at the Morgue to preserve and keep the bodies fresh, and allow them to be for a longer time exposed than when running water was the only aid.

2 examples of  cold-air  in sentences