SQUARE SET SYSTEM


Meaning of SQUARE SET SYSTEM in English

noun

: a method of timbering a mine in which heavy timbers are framed together in rectangular sets 6 or 7 feet high and from 4 to 6 feet long so as to fill in as the ore body is removed by overhand stoping

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.