The correct answer is:
The children are wearing loose clothing. The children are exposed to dangerous machinery. The children are not wearing any protective gear.
These are some of the dangers these child workers were exposed to.

Answer:
It is either B or D
I know for sure it is not A or C.
Sorry if I am no help. ಠ╭╮ಠ
Explanation:
Answer:
I’m pretty sure it’s D.
Explanation:
There were over 77 printing presses exstablished