1) Mtengo Wopikisana
2) Kugonjetsedwa ndi kutentha kwakukulu, mphamvu yabwino yokhudza
3) Kukhazikitsa kosavuta komanso kodalirika, ndalama zochepa zomangira
4) Yobwezeretsanso, yogwirizana ndi chilengedwe, malinga ndi muyezo wa DIN
5) Amagwiritsidwa ntchito kwambiri pa ulimi, ulimi wothirira ndi mafakitale, dziwe losambira ndi zina zotero.
6) Nthawi yayitali kwambiri yogwiritsira ntchito
7) Palibe kugwedezeka kapena phokoso