Joints can be separated into two classes: functional and structural. Joints are divided into three different functional classes. They are synarthroses, amphiarthroses, and diarthroses. Synarthroses means the joint is immovable, amphiarthroses means the joint is slightly moveable, and diarthroses means the joint is freely moveable.
minimum recommended protection lightweight and easy to use requires no maintenance osha cdc epa and nyc doh mh recommend using a n95 disposable respirator as minimum protection from mold and dust
a half face or full face elastomeric respirator with a n p or r100 cartridge will provide greater protection and a better facial seal and should be considered when mold contamination is more than small scale the full face also protects the face and eyes these respirators require cartridges