Any warehouse, which is part of a work site perimeter and contains high-risk materials (valves, fittings, small parts, etc.) Shall be provided with security screens over windows and doors.

• 所有仓库,只要构成工作现场的一部分,并且存有危险系数极高的材料(阀门、管件、小件部件等),都应在窗户和门上安装保安防护装置。