ATMOSPHERE SUPPLYING RESPIRATOR
A respirator that supplies the respirator user with breathing air from an independent source
A respirator that supplies the respirator user with breathing air from an independent source
Individual component of a molecule.
A room or space directly below the roof of a building. In modern buildings, the attic is the space between the roof and the ceiling of the upper story.
Permission to perform some action, provided by an individual empowered to grant it.
Indicates that replacement material will be provided as available; exact matching is not assured.
(AMC) – The average of the amounts of moisture in a specific material in the built environment(such as a plywood sub floor) measured at several depths and points across a grid.