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What safety signs should be hung on the tower crane at the beginning of the construction site?

The safety signs that should be hung on the tower crane at the beginning of the construction site are:

(1) Security inspection pass sign

(2) Safety warning sign

(3) Safety operating procedures sign

(4) Fixed position and capacity sign

(5) Tower crane ten-no-hang sign

PS: The above signs are It has been determined by the "Safety Technical Regulations for the Installation, Use and Disassembly of Tower Cranes in Construction" and is mandatory.