1. Ukuri kurwego rwo hasi rwapfuye ni rwinshi, ubunyangamugayo bushobora kugera kuri 1-2um (0.002mm), kandi imikorere ihamye ni myinshi mugihe cyo gukora.
2.Ntabwo bigarukira ku nkomoko ya etage, kandi irashobora gukoreshwa muri etage ya kabiri cyangwa hejuru.
3.Ibice byinshi byo gusaba, birashobora guhuzwa n'umurongo wo gukora kugirango ugere kuri automatike yuzuye.