<P>It is the average duration in minutes during which the machine or the installation functioned without any stoppages.<BR><BR>The stoppages are:<BR>- machine breakdowns <BR>- breakdowns related to tools <BR>- breakdowns related to the product <BR>- stoppages for change-overs (used or broken)<BR>- stoppages for frequent adjustments <BR>- stoppages for inspection (SPC sampling)<BR>- stoppages for maintenance </P>

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