Definition of screw jack in English:

screw jack

Line breaks: screw jack

noun

A vehicle jack worked by a screw device.
More example sentences
  • If they are screw jacks, wire the handles through the screw jacks so they can't vibrate loose.
  • He supported the bottoms of the existing footings with screw jacks to precisely plumb the columns at the proper height.

Definition of screw jack in:

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