Check the on-site work environment whether to allow normal construction, there is a risk or hazard, in time to stop. Long tube conveying passage from the rear hatch.
Check whether the work environment at the site allows normal construction, there are dangers or hidden dangers, stop in a timely manner. Long pipe scants are carried through the rear cover. ...
Check whether the working environment of the site allows normal construction. If there is danger or hidden danger, stop it in time. Long pipe handling passes through the rear hatch cover.<br>