researchers at ETH Zurich have let an autonomous excavator loose on a big pile of boulders and reclaimed concrete. The goal? To build a 20 foot (6 meter) and 213 ft (65 m) long dry-stone wall as ...
The Family Handyman on MSN3mon
5 Tips for Moving Large Rocks, Stones and Concrete BlocksWhenever you face a heavy rock, timber or pile of bricks ... When I have to move a really big stone slab by hand — one that ...
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