THE แผ่นพื้นเหล็ก DIARIES

Ignoring this warning has its consequences — you could fail an inspection. The engineer also patterns the attachment designs, by bearing in mind things which include uplift capacity, diaphragm shear capacity and the thickness supported by members beneath it.ใช้ทำพื้นในโรงงานหรือโรงเก็บสิ