A REVIEW OF แผ่นพื้นเหล็ก

Ignoring this warning has its effects — you could possibly fail an inspection. The engineer also patterns the attachment designs, by making an allowance for elements including uplift ability, diaphragm shear ability as well as thickness supported by associates beneath it.ใช้ทำพื้นในโรงงานหรือโรงเ�