construction workers
I think the most proper name would be glazier, which is someone who installs and repairs glass.
A glazier
a mechanic comes to mind
A plumber
A locksmith
cobbler
glazier
mechanic
The name of someone who repairs machinery is a machanic.
Watchmaker Also, an heurologist
The person who fixes taps is commonly referred to as a plumber. Plumbers are skilled tradespeople who specialize in installing and repairing plumbing systems, including pipes, fixtures, and appliances. They address issues like leaks, clogs, and faulty installations.
A person who builds and repairs chimneys is called a chimney sweep or chimney technician. These professionals ensure that chimneys are safe and functioning properly, often conducting inspections, cleanings, and repairs. In some regions, they may also be referred to as chimney specialists.