Related:

• The fully interchangeable BBS.
• Interchangeable parts won't.
• 1) If a test installation functions perfectly, all subsequent systems will malfunction.
  2) Not until a program has been in production for at least six months will the most harmful error be discovered....
• Interchangeable parts aren't. -- Kilpatrick's law
• I won! I won!
• Interchangeable devices won't. -- The Fourth SNAFU Equatio
• Interchangeable parts aren't. -- Murphy's Military Laws, #37
• Interchangeable parts won't. -- The RPCISPE's Eleventh Universal Law
• ALL NEW: Parts not interchangeable with previous model.