Yes
no
Jewelers screwdrivers are very small examples of normal screwdrivers, watchmakers use them too.
plumbers
they do
No. Use the putty.
Yes, most plumbers use at least 3 pipe wrenches, (12", 18" and 24 " ) and a large crescent wrench.
Handles on screwdrivers should be non metal.
Handles on screwdrivers should be non metal.
Tools Intelligence Chemicals Experience
Plumbers use them
A Ranch
Plumbers commonly need to use fractions in their career. The reason for this is that the pipes that they use is measured primarily in fractions, such as 1 3/4' pipe. Plumbers often have to custom make fittings, which requires them to be able to calculate in fractions in order to get a good fit.