fikelela swilaveko swo tika swinene swa vuhlayiseki hi swilotlelo swa hina swa mortise swa ntirho wo tika , leswi endleriweke ku tlula swipimelo swa mabindzu swa ANSI/BHMA swa Giredi ya 1 eka tindhawu ta nhlangano na ta vutleketli bya le henhla. Tisisiteme leti to pfala leti endliweke hi vukheta ti hlanganisa ntirho lowu lulamisiwaka, ku tiya lokukulu, na ku landzeleriwa ka vuhlayiseki bya vutomi eka phasela rin’we ro tiya.