Surprisingly not by much, most of the improvements have been with portability not functionality, at least when it comes to stone working. Instead of steam we use electric for example so you don’t need to lug around steam canisters for a power drill. Scaffolding, blasting, drilling, and chiseling is still more or less the same since the 30s.
I imagine technology has changed enough in the last 80 years or so, to allow the work to be done much faster.
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Surprisingly not by much, most of the improvements have been with portability not functionality, at least when it comes to stone working. Instead of steam we use electric for example so you don’t need to lug around steam canisters for a power drill. Scaffolding, blasting, drilling, and chiseling is still more or less the same since the 30s.