This excerpt is from a doctor’s testimony to an 1819 British parliamentary committee. When I was a surgeon in the infirmary, accidents were very often admitted to the infirmary, through the children's hands and arms having being caught in the machinery; in many instances the muscles, and the skin is stripped down to the bone, and in some instances a finger or two might be lost.

Which statement best summarizes what the doctor is saying about child factory workers?

They need to learn safety rules.
Their injuries are untreatable.
Their injuries are quite minor.
They are doing dangerous work.