Ib qho ntawm cov yam ntxwv zoo ntawm peb lub ntsuas hluav taws xob hluav taws xob yog lawv cov kev tsim kho ruaj khov.Nws yog tsim los ntawm cov nylon reinforced kom tiv taus cov xwm txheej hnyav thiab muab kev ua haujlwm ntev ntev.Qhov no ua kom ntseeg tau tias thaum lub ntsuas phoo raug siv, nws yuav tiv thaiv kev nkag mus tsis tau thiab cuam tshuam, ua rau koj muaj kev thaj yeeb nyab xeeb thiab tiv thaiv koj lub cuab yeej.
Ntxiv rau qhov muaj zog thiab ua haujlwm ntev, peb lub ntsuas hluav taws xob hluav taws xob muaj lwm yam zoo.Nrog cov tsos patent, tus tsim yog tshwj xeeb thiab zoo nkauj.Tsis tas li ntawd, nws tuav cov qauv siv hluav taws xob patent, qhia txog nws qhov kev tsim kho tshiab thiab kev ua tau zoo.Cov patents no ua rau peb cov khoom tshwj xeeb thiab muab nws sib nrug los ntawm cov tsoos Circuit Court breaker locks.