There is a problem of plastic debris because there are the characteristic tilt Shikiri LH ST.1. Make a scratch side occurred when the mold closes core. As a result, plastic debris is dropped., while piecework ST.2 injection.
Problem waste plastic due to Shikiri LH ST.1 look tilt make when mold off. What the abrasion in core as a result of plastic scraps dropped on the target while the target injection ST.2.