5 Easy Facts About แผ่นพื้นเหล็ก Described
Ignoring this warning has its effects — you might fall short an inspection. The engineer also types the attachment designs, by bearing in mind things which include uplift potential, diaphragm shear potential and the thickness supported by members beneath it.ใช้ทำพื้นในโรงงานหรือโรงเก็บสิ