The tightening screw next to the structure. C. the wind or wall plaster, so use the screws that are used in conjunction with the appropriate metal anchors. By obtaining approval from a supervisor
Tighten the screws attached to the structure is reinforced concrete or plaster walls. The screws used in conjunction with a suitable metal cleat. It has been approved by the supervisor.
Screw tightening structure adjacent to the electrical L or plaster walls. To use the screws combined with metal anchors is appropriate. The approval of the supervisor