He scrubbed his hands, rubbing them until the skin felt raw with a bar of lava soap, like that used by mechanics to remove grease from their skin.
(that; used; by mechanics; to remove grease from their skin) (He; scrubbed; his hands) Context(He scrubbed,List([0, 11))):(He; scrubbed his hands rubbing; them; T:until the skin felt raw with a bar of lava soap, like that)
He scrubbed,List([0, 11))
that He He
used scrubbed scrubbed his hands rubbing
by mechanics to remove grease from their skin
his hands
them T:until the skin felt raw with a bar of lava soap, like that