Related:

• Actual service conditions cannot be met in the laboratory. -- The RPCISPE's Fourth Universal Law
• Specified Service Conditions will be exceeded. -- The RPCISPE's Sixteenth Universal Law
• The most vital dimension on any drawing will probably be left off.
  -- The RPCISPE's Fifth Universal Law...
• Any error in any calculation will be in the direction of most harm.
  -- The RPCISPE's Second Universal Law...
• Interchangeable parts won't. -- The RPCISPE's Eleventh Universal Law
• If, in engineering practice, a safety factor is set through service experience at an ultimate value, an ingenious idiot will promptly calculate a method to exceed said safety factor.
  -- The RPCISPE's Ninteenth 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
• Warrantee and guarantee clauses are voided by payment of the invoice.
  -- The RPCISPE's Twentieth Universal Law...