I'm surprised we still send people on top of roofs to install asphalt shingles. Seems that repetitive and easy to calculate job would be an ideal thing to automate.
I've thought designing an asphalt roof laying robot would be a fun project.
The asphalt should come in a spool, not in squares (rectangles). Simply roll out, cut at the ends, overlap at the correct distance, and repeat.
Actually, why are nails used at all? Asphalt should be epoxied to the roof.
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