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<http://webisa.webdatacommons.org/205751789>	<http://www.w3.org/ns/prov#value>	"Because these systems are designed for many years of operation with little or no maintenance, every component, especially the couplings, is key to the system???s reliability and longevity." .
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<http://webisa.webdatacommons.org/205751789>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<automationmag.com> .