Mapepala a ma kgg ali ndi mphete yakunja, mphete yamkati, komanso kuchuluka kwa odzigudubuza ndi ma spacers. Kugwirira ntchito ndi kulondola kwa kusintha kwasintha koyenera kumatha kubereka katundu kulikonse. Chifukwa ili ndi ma cypolonerly ogudubuza a cylindrical, imatha kukhala yonyamula mbali iliyonse. KGG imapereka mitundu iwiri yamitundu iwiri: Kuzama kwa mpira woyaka ndi mpira wolumikizirana.
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Kuzama Kwambiri
Makonda ozama ozama amagwiritsidwa ntchito kwambiri m'mafakitale ambiri kwazaka zambiri. Msana wakuya umapangidwa pamzere uliwonse wamkati ndi kunja kwa zimbalangondo zomwe zimawalimbikitsa kuti zikhale zodula ndi zotumphukira kapena zophatikizika kapena kuphatikiza zonse ziwiri. Monga momwe gawo lakudera la poyambira pokwera mafakitale, makilogalamu a kgg amakhala ndi zochulukirapo popanga ndi kupanga mtundu wamtunduwu.
