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.
whats it means its dat 100%-20%...the word off means 20 taken away...example, if you go to a store and see the sign 20% of the original price it means that the original price is worth 100% but they give you a disount so you only going to pay 80 percent of the original price.so 100%-20 of 60 equals 80%*60=48.