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As IS THE CASE in every line of industrial activity, a number of expressions, peculiar to operation of rock crushing plants, have come into common usage among crusher designers and operators. Inasmuch as these terms are used rather loosely, and with a considerable degree of freedom as to their exact meaning, it is desirable to define a few of the more important ones to make clear the sense in which they will be used in this work.
Definitions
Blocking means the blockading of the crusher receiving opening by a piece of rock or ore that is too large to enter the crushing chamber in any position.
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