sentences:  Blast operators work inside the room to roughen, smooth, or clean surfaces of an item depending on the needs of the finished product.Blast rooms and blast facilities come in many sizes, some of which are big enough to accommodate very large or uniquely shaped objects like rail cars, commercial and military vehicles, construction equipment, and aircraft.Each application may require the use of many different pieces of equipment, however, there are several key components that can be found in a typical blast room