[today’s update] 39. Green construction – implementation standard for construction site consolidation and rectification

If you need, you can add the wechat anquan135246 of the small edition for consultation, or join the knowledge planet of the “building safety data alliance” to obtain more practical safety data! 1.

Fixing Socket Cross Hole

Safety data sample mind map..

The high-quality safety data are continuously updated and the serial contents are not fully displayed.

Safety data sample Dictionary (wechat version) 2.