unintended arming or activationpreventsunintended arming or activation
stun gunpreventsstun gun
togethersetstogether
further damage orcan preventfurther damage or
bar extractionpreventingbar extraction
to make sure the quick release ca n’t be accidentally activated , thus avoiding a disastrous dropcan be setto make sure the quick release ca n’t be accidentally activated , thus avoiding a disastrous drop
accidental frequency changeto preventaccidental frequency change
with attentionare createdwith attention
piecessetpieces
1849 Septemberinvented1849 September
artist 's creativity - Lifestyle - The Columbus Dispatch - Columbus , OH Lowly safety pin sparked artist 's creativity A 7 1/2-foot - tall safety pin that looks likesparkedartist 's creativity - Lifestyle - The Columbus Dispatch - Columbus , OH Lowly safety pin sparked artist 's creativity A 7 1/2-foot - tall safety pin that looks like
the activation of the deployment initiating mechanism until removed , similar to a grenade actuating mechanismmay preventthe activation of the deployment initiating mechanism until removed , similar to a grenade actuating mechanism