byssinosis in Medicine. byssinosis bysÂ·siÂ·noÂ·sis (bÄ­s'Ä­-nÅ'sÄ­s) n. A form of pneumoconiosis that affects cotton, flax, and hemp workers and is characterized by symptoms, such as wheezing, that are most severe at the beginning of each work week. Also called brown lung disease.
From Wikipedia, the free encyclopedia. Material take off (MTO) is a term used in engineering and construction, and refers to a list of materials with quantities and types (such as specific grades of steel) that are required to build a designed structure or item.
When the system is designed with a main duct branching into many subsidiary branch ducts, fittings called take-offs allow a small portion of the flow in the main duct to be diverted into each branch duct. Take-offs may be fitted into round or rectangular openings cut into the wall of the main duct.