the answer is that they had light bulbs to light the factories and workers working on the items
The typical pay of factory workers in late 1800 was around $2 per week.
at home
In the 1800's, factory workers were paid very low wages. It was common for workers to make about fifty cents to a dollar an hour..
If your talking about the late 1800's/early 1900's in America's history, then no. Factory workers had very little/none experience and not much intelligence was required for the job.
In 1800 they ate oatcakes or porridge for breckfast and supper and for dinner potato pie with boiled bacon in it.
conditions got better in factory life, due to new saftey laws. There was also shorter hours and larger wages.
Scabs or blacklegs were people willing to pass the picket line of striking workers. Often this meant the factory owners could continue producing, leaving the strikers to starve outside the factory gates.
Factory workers had minimal working space so if there was a fire you had to be in a single file line, two, there were no laws so if there was a fire there were no sprinklers or smoke detector's, and third there were guards at each exit so you couldn't still from the factory's so some doors were locked.
Workers made little progress in getting reforms passed. Child labor was reduced to a small degree.
Factory workers
Child factory workers, like all workers, were supervised.
many jobs could be done by unskilled workers who earned lower wages