Vim li cas cov laus ntxhais siv cov khoom no?

Koj xav li cas, yog vim li cas cov menyuam ntxhais uas tsis tau sib yuav yuav siv cov khoom no tsis zoo rau peb lub qhov muag? Tej zaum rau sewing los yog raws li ib tug crush rau berries? Tsis yog, koj tsis paub.

Cov khoom me me no raug muag hauv lub npe ntawm "Kev Kho Mob Amplifier ntawm Kev Ntshav", tab sis siv los ntawm lawv cov poj niam rau kev lom zem.