Engineering, 12.01.2021 19:50, daniel1480

If you want to get someone's attention while they are operating a machine A. Call them loudly. B. Wave your hands so they see that you want them. C. Wait until they have finished operating the machine D. Unplug the machine.

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If you want to get someone's attention while they are operating a machine A. Call them loudly. B. Wa...