• @Psythik@lemm.ee
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      16 hours ago

      Because in order to sanitize, the water temperature needs to be above 60°C/140°F. It is impossible to get the water that hot when hand washing. You would burn yourself immediately.

    • @blubfisch@discuss.tchncs.de
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      414 hours ago

      Because the machine is generally more reliable at doing it in a more sanitary way. People often cut corners when doing it manually.