Serrated : sedangkan jenis ini memiliki permukaan yang bergerigi. Selain itu, kelebihan dari jenis ini anti slip. This minimum amount width also applies if, at ground degree, you'll find obstructions such as pipes or electrical works. Combined with the decreased least width, in these instances, the most top is often https://charlieyfmtx.activablog.com/29304728/5-simple-techniques-for-grating-surabaya