Ibyiza:
1.Ibikoresho bikozwe mu muringa byiza, birashobora kwemeza ko nta ngese, ntibishobora kubyara umwanda, ntibizahagarikwa.
2. Koresha imashini ya CNC yakozwe kugirango umenye neza.Kugirango ubuso bugende neza kandi budahungabana, kugirango umutekano wamazi yo kunywa arinde.
3. Igenamigambi ririnda igenamiterere kugirango umenye neza ko insipo idafunze imyanda.
4.Huza 1/2 '' icyambu, hafi ya 20mm.byoroshye gushiraho, imiterere yoroshye, igihe kirekire cyo gukoresha.
