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Has it ever been scientifically validated with peer review that digging building foundations with an excavator is more effective than using a shovel? Has the au

Has it ever been scientifically validated with peer review that digging building foundations with an excavator is more effective than using a shovel? Has the author ever held a shovel?

onehair 1y ago
Is the author human, or AI?
mortsnort 1y ago
Apparently all of the buildings made with the excavator are also not valid evidence of its utility.