Spread the love1. Acrylic is the name of (A) Cellulose resin (B) Alkyd resin (C) Methyl methacrylate (D) Coumarone-indene 2. Dextrin is (A) Animal glue (B) Starch glue (C) Albumin glue (D) Rubber based adhesive […]
Spread the loveThis is a great analogy: You are holding a cup of coffee when someone comes along and shoves you or shakes your arm, making you spill your coffee everywhere. Why did you spill […]