1.
Scaffold steel pipes should be made of φ 48.
3 × 3.
6 steel pipes, and the maximum weight of each steel pipe should not exceed 25.
ringlock scaffolding system ledger end
8Kg;.
An ancient tomb was accidentally excavated during road construction in the United States. After excavation, it was found that the owner of
[great cause • safety management] with the increase of high temperature and thunderstorm weather, the “six precautions” shall be kept in
Once again: it is forbidden for personnel over 60 years old to enter the construction site to engage in construction operations! Otherwise,
Heavy! The high-speed railway station of chuning intercity railway has entered the superstructure construction stage and is expected to be
