{HEAD ~ A retaining device} is further provided for retaining the plate to the base and includes {TAIL ~ a pair} of stops secured to the legs and engaged with the extensions for engaging with the extensions and for retaining the plate to the base 
{ HEAD ~ A retaining device } is further provided for retaining the plate to the base and includes { TAIL ~ a pair } of stops secured to the legs and engaged with the extensions for engaging with the extensions and for retaining the plate to the base
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