【Utilities – Civil Engineering Version】20180926
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For window sills where the distance from the lower edge to the floor is less than 80 cm and the side drop is greater than 2 m, the common safety measure is (). A: Install protective railings around the perimeter, with safety nets stretched outside the opening. B: Install safety nets at the opening. C: Set up temporary railings 1.2 meters high. D: Use protective railings along with toe boards below them. Answer: C
C: Assume a temporary railing 1.2m high
C: Assume a temporary railing 1.2m high
Protective railings are installed around it, and safety nets are set up outside the opening
C: Assume a temporary railing 1.2m high