Federal agencies:

set conduct guidelines for people working in salons.

regulate the licensing of cosmetologists.

set guidelines for employee handbooks for salons.

set guidelines for manufacturing equipment and chemicals.

Last statement

Explanation:

Sets guidelines for manufacturing equipment and chemicals. This is why we have federal agencies that must protect lives and property, creates guidelines for processes and ensure they are properly followed. Federal agencies creates rules for most of this manufacturing industries, though this agencies have associations but they are certified by the government to carry out their duties. So the last statement is part of the duties of federal agencies.