Stripes should be painted on vessels, tanks and similar equipment to indicate where slings must be placed for hoisting, also label "sling" in the proper location.
船体、罐身和类似设备上应漆上条纹来指出吊索的位置，并且“SLING”标签也应在适当位置标出。
2
There shall be no slip and fall off in the sling hanging point, individual sling should be connected in the hoisting structure nodes, no cohesion in the main chord and web members on the middle.