Siffofin tsutsa:
1. Yana ba da babban raguwar raios don nisan cibiyar da aka ba
2. Quite kuma santsi aikin meshing
3. Ba zai yuwuwa motar tsutsotsi ta tuka wor ba sai an cika wasu sharudda
Ka'idodin aikin tsutsotsi:
Hanyoyi biyu na kayan tsutsotsi da tuƙin tsutsotsi suna daidai da juna;Ana iya ɗaukar tsutsar a matsayin heliks mai haƙori ɗaya (kai ɗaya) ko hakora da yawa (kawuna masu yawa) sun raunata tare da helix ɗin da ke kan silinda, kuma kayan tsutsotsi kamar gear ɗin da ba a taɓa gani ba ne, amma haƙoransa sun rufe tsutsa.A lokacin meshing, jujjuyawar tsutsa ɗaya za ta fitar da dabarar tsutsa don juyawa ta haƙori ɗaya ( tsutsa mai ƙarewa ) ko hakora da yawa ( tsutsa mai ƙarewa). na kawunan tsutsa Z1/yawan hakora na dabaran tsutsa Z2.