Aside from specialists like electricians and plumbers, construction workers in the US are not licensed and usually don't pay for their own training. For the peo

Aside from specialists like electricians and plumbers, construction workers in the US are not licensed and usually don't pay for their own training. For the people who are doing general construction work like putting up drywall and hammering shingles into the roof, they start building on day one and learn on the job.