Fill in the blanks with one of the words from the drop-down menu.1 Mass production meant a growing share of the work in factories was done by highly skilled✔ less-skilledX repetitive different workers.2 Workers in factories performed highly skilledX less-skilledunskilled✔ repetitivedifferent tasks all day.3 The system of mass production displaced many ✔ highly skilledless-skilledunskilledrepetitive X different workers.