input: [0] Exhaust Cover [1] 1 [2] 1 [3] Prevents larger debris from entering the back of the saw and adds some additional safety (prevents hands from entering). Designed so air can flow through. [4] ABS Plastic [5] Light weight, durable, and cheap. [7] Easy and economical way to mass produce this component. [6] 
output: Injection Molding