Kev kho ntawm rab koob thiab nuv ntawm lockstitch tshuab (ob rab koob)

Raws li qhov zoo ntawm cov khoom siv xaws thiab cov xov siv, thaum kho qhov siab ntawm rab koob bar, ntxig ib lub hau ntswj los ntawm lub vaj huam sib luag qhov, thiab loosen cov ntsia hlau kho ntawm rab koob bar los kho; qhov sib txuas ntawm qhov sib txuas sib txuas yuav noj tib rab koob ua ntej, uas yog qhov zoo rau cov xov coj tus nqi. Tab sis nws yog nquag mus dhia stitches; noj lig, nws tuaj yeem txhim kho kev tiv thaiv ntawm cov xov tawg, ntab xov thiab dhia stitches, tab sis nws tsis zoo rau tus nqi nqa; qhov sib txawv ntawm rab koob thiab qhov kawg ntawm tus nuv yog loj heev, thiab dhia stitches yuav tshwm sim; koob thiab shuttle Yog tias cov lus qhia kov lossis sib tsoo, nws yuav ua rau cov xov tawg thiab rab koob tawg. Kho qhov kev sib raug zoo ntawm rab koob thiab qhov kawg ntawm lub shuttle. Thaum rab koob nce los ntawm qhov chaw tuag hauv qab mus rau qhov qis qis, lub taub ntawm lub shuttle yog nyob rau hauv txoj kab nrog rau kab nruab nrab ntawm rab koob. Tsuas yog loosen tus nuv fixing ntsia hlau. tuaj yeem hloov kho; thaum kho qhov siab ntawm qhov kawg ntawm lub qhov kawg ntawm rab koob thiab qhov kawg ntawm tus nuv, kho ib lub me me ntsia hlau rau hauv tus nuv kom nce los yog txo tus nuv; Cov ntsia hlau tuaj yeem txav tus nuv sab laug thiab sab xis.