how can the safety of guard rails be improved?\nby installing them properly\nby including safe end…

how can the safety of guard rails be improved?\nby installing them properly\nby including safe end treatments\nboth a and b\nnone of the above

how can the safety of guard rails be improved?\nby installing them properly\nby including safe end treatments\nboth a and b\nnone of the above

Answer

Brief Explanations:

Proper installation ensures guard rails are structurally sound and positioned correctly. Safe end treatments prevent injuries from sharp or hard - to - impact ends. Both are important for guard rail safety.

Answer:

C. both A and B