the.com/power washer

A machine that turns water into a tiny, furious argument with dirt.

means A machine that pressurizes water through a narrow nozzle to blast dirt, grime, and loose paint off hard outdoor surfaces.

from Straightforward compound: 'power' (mechanical force, from Latin posse, 'to be able') plus 'washer' (one who washes, Old English wascan). The technology itself traces to high-pressure pump systems developed in the early-to-mid 20th century for industrial cleaning, later shrunk and marketed to homeowners — the name just describes exactly what it does, no folklore required.

pressure range
1300 to 4000+ psi depending on model
wood warning
can gouge soft wood if held too close
gateway hobby
leads to power washing things that were never dirty
skin danger
can break skin at close range, surprisingly
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