Noise reduction in metal cutting operations

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      <subfield code="a">Noise reduction in metal cutting operations</subfield>
      <subfield code="c">by Lyle F. Yerges</subfield>
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      <subfield code="a">Most metal cutting processes are noisy. Excessive noise associated with this type of operation can be controlled by engineering four ways- at the source, along the path of transmission, at the receiver, or a combination of all three. Successful noise control programs have been instituted in many plants where operations range from automatic screw cutting to sawing huge structural beams. A few such program will be dicussed</subfield>
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      <subfield code="t">National safety news</subfield>
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      <subfield code="g">Vol. 115, nº 5, May 1977 ; p. 59-62</subfield>
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