construction workers
I think the most proper name would be glazier, which is someone who installs and repairs glass.
A glazier
A plumber
a mechanic comes to mind
A locksmith
cobbler
mechanic
glazier
The name of someone who repairs machinery is a machanic.
Watchmaker Also, an heurologist
ummmm wow idk but what a dumb question! only some weirdo would wanna know that!
A mechanic