There is a difference between semi-skilled labor and unskilled labor. Semi-skilled labor requires some training. Unskilled labor does not require the same type of training.
unskilled, semi-skilled and skilled labor
The term skilled labor refers to work that can only be done by people who are highly trained.
skilled craftsmen
American federation of labor limited its membership to skilled craft union.
the three features of labour are: skilled semi-skilled unskilled
unskilled labor
semi-skilled labor
American Federation of Labor
The Knights of Labor
Only skilled workers.
Depending on the type of business it is either skilled, semi-skilled or unskilled