Encyclopedia

steel jack

steel jack

[′stēl ′jak]
(mining engineering)
A screw jack suitable in mechanical mining; used for legs or upright timbers.
(mineralogy)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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References in periodicals archive
A high-powered lawyer's world is turned upside down when the man she knew as Evangeline Lilly stars in Real Steel Jack O'Connell in Private Peaceful her husband Tom, is arrested.
Necessity being the mother of invention, the steel jack was born.
For pharmaceutical and food industry applications, galvanized and stainless steel jacks are offered.
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