This can be the leading cause for foul HVAC odors for many homeowners, which raises concerns about indoor air quality. Another indicator of an indoor air quality problem is the smell of dirty socks. Although this smell may be coming from the air conditioning unit, it is not actually the unit that is the problem.
Device. 1  Ratchet (device), a mechanical device that allows movement in only one direction. 2  Ratchet, a tool also known as a socket wrench. 3  Ratchet (instrument), a type of music instrument.
Durable steel ratchets can withstand all the misuse that transport might bring. They are simple, no-frills, and reliable. For more delicate cargo, cam straps have the same durable webbing as ratchet straps but the buckle is softer than the ratchet, minimizing damage to the load. Ratchets generally require the use of two hands for pumping; cam buckles use just the press of a lever.