Yog lawm. Mica tube yog cov khoom siv sib dhos siv nyob rau hauv kev tsim hluav taws xob, nrog cov kev qhia tshwj xeeb, thiab qhov sib txawv ntawm cov hlau qhov ncauj yuav tsum tau siv thaum siv cov raj mica. Mica tube yog cov khoom siv rwb thaiv tsev tsis zoo ua los ntawm stripped mica los yog mica daim ntawv sib koom ua ke rau cov khoom siv ib leeg nrog cov nplaum tsim nyog thiab ua tiav los ntawm coiling.
