If the sin 60° is then the cos
(4 points)
O a
1
30°: 2
o
b
60° ;
ос
Sia San
30°;
Od
60º, 1

the highest percentage for deaths in construction from highest to lowest is as follows: falls, struck by objects, electrocution, and caught-in/between. these four are collectively known as fatal four.

in the case of falls, the type that is responsible for the overall highest death in the category is falls from roofs.

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