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    Jun 20, 2017· This means that MSHA's enforcement of the fall protection standard at 30 §§ 56/ is not tied to any specific height limit. The fall protection standard will be cited whenever an inspector believes there is a danger of falling and fall protection, in some form, is not provided.

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    Rock from the quarry face is fed into the top of the crusher and crushed rock falls out of the bottom of the jaws. The size of the crushed stone which passes through the jaws is partly governed by the gap set at the bottom of the jaws, though larger size rocks can pass through if the rock being crushed is slabby or elongate in shape.

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    This code does not cover the operational use of any specific bulk equipment, such as Mobile Processing Units (MPU's), stemming equipment, dewatering equipment, or any systems for the measurement, monitoring or firing of blasts. Use of specific equipment, on (or near) bench loading activities, must be in accordance with the

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  • Machinery definition of machinery by The Free Dictionary

    (məˈʃiːnərɪ) n, pl eries. 1. (Mechanical Engineering) machines, machine parts, or machine systems collectively. 2. (Mechanical Engineering) a particular machine system or set of machines. 3. a system similar to a machine: the machinery of government.

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