Assertion: hoist's trolley | /r/CapableOf | run along the underside
Facets:
value: to move goods
type: PURPOSE
Source sentences:
text: A "luffing" jib is able to move up and down; a fixed jib has a rolling trolley that runs along the underside to move goods horizontally.
text: A "luffing" jib is able to move up and down; a fixed jib has a rolling trolley that runs along the underside to move goods horizontally.