Comment on She was churning plastic

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Sadbutdru@sopuli.xyz ⁨3⁩ ⁨days⁩ ago

It’s true clothes are not a good analogy.

Machines that operate at high rpm are in a category of their own, and a car is probably the only one most people ever own. There are metal parts inside separated by fractions of a mm, moving past each other at like 30-40 mph, back and forth like 100 times a second. It heavily depends on good lubricating oil to prevent heat from friction building up and wrecking the whole thing.

And the oil is a consumable, it degrades as it does its job, and needs replacing every now and again. It’s not part of the MOT inspection because it isn’t a risk to other road users, just damaging your expensive bit of kit (and wasting the environmental cost of the energy and materials that went into manufacturing it in the first place).

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