how does this document reflect social and economic changes brought by the industrial revolution and capitalism

answer; clean work space and clothing using compressed air;

pattern wax

explanation:

pattern wax is used for casting restoration as part of lost-wax technique.

to answer your question:

f(x)= a^x.  if x=0, f(x)=1  if x=1, f(x)=a  if x=1, f(x)=a^a