the.com/lubricant
the unsung hero standing between civilization and the scream of metal grinding metal
ancient hackEgyptians poured water to slide pyramid stones
whale erasperm whale oil once lubricated industrial machines
space problemvacuum makes metals cold-weld together untouched
graphite trickpencil lead is also a dry lubricant
WD-40 mythit displaces water, barely lubricates anything