... C-Glass Alkali Content: Medium Fiberglass use for corner can effectively solve the problems that angle is ... not straight,cheap,easy collisionfiberglass use for corner as the main body and follow-up ... artstic but not to be damaged.Using the corner beads,you can do the construction in steps, ... intermidiate worker after using the corner beads.For example.if using the corner beads,you can make the time ...