ALOA Glossary Study Aid
A Glossary of locksmithing terms & definitions. It's also an aid for studying for the (mandatory) ALOA L-00 exam


 

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Term   Definition 
  combination wafer   n. a type of disc tumbler used in certain binary type disc tumbler key-in-knob looks. Its presence requires that a cut be made in that position of the operating key(s)



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Glossary contents Copyright 1989, 1990, 1995, 1996, 1997, 2000, 2001, 2002, 2003, 2004, 2005, 2006 Lock Industry Standards and Training Council (LIST Council)
The original PDF (272k)

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This Template was last updated 15Mar2019