Related:

• Identical units which test in an identical fashion will not behave in an identical fashion in the field.
• If a test system function perfectly, all production units will fail.
  -- The RPCISPE's Seventh Universal Law...
• Interchangeable parts won't. -- The RPCISPE's Eleventh Universal Law
• Actual service conditions cannot be met in the laboratory. -- The RPCISPE's Fourth Universal Law
• Operation instructions shipped with the unit will be discarded by Receiving.
  -- The RPCISPE's Fourteenth Universal Law...
• Parts that cannot be assembled incorrectly will be. -- The RPCISPE's Tenth Universal Law
• Specified Service Conditions will be exceeded. -- The RPCISPE's Sixteenth Universal Law
• That device requiring the most service will be least accessable.
  -- The RPCISPE's Fifteenth Universal Law...
• Warrantee and guarantee clauses are voided by payment of the invoice.
  -- The RPCISPE's Twentieth Universal Law...