Question

one or more hoses crossing a main walkway ______.
○ are not acceptable
○ are permissible if they are taped down
○ must be rated to withstand being run over by a fork lift with rupturing
○ must be color coded to indicate the material they contain

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Explanation:

In workplace safety (especially in industrial or construction settings), hoses crossing a main walkway can be a tripping hazard. Taping them down secures them to the ground, reducing the tripping risk, so they are permissible if taped down. The first option is too absolute (there are safe ways like taping), the third is overly specific (not a general requirement), and the fourth is about color - coding for material, not walkway crossing safety.

Answer:

B. Are permissible if they are taped down