1.Therter atatu-osagwira & njira zitatu zobwezeretsera makina osinthika ndi chida chabwino kwambiri komanso chida chothandiza pakusindikiza mitundu yosiyanasiyana ya zinthu zosinthika. Makinawa ali ndi magawo angapo omwe amapangitsa kuti ikhale pakati pamakina ena pamsika.
2.Mawonekedwe ake, titha kutchulapo kuti makinawa ali ndi nthawi yopitilira komanso yodzidyetsa yokha ya zida, motero kuchepetsa kutaya ndikuwonjezera zokolola munjira yosindikiza.
3.
Makina a 4.this amaperekanso dongosolo louma mwachangu lomwe limalola kugwira ntchito kwambiri ndi kuthamanga kwachangu. Ilinso ndi ntchito yowongolera komanso kutentha kuti ikhalebe ndi ntchito nthawi zonse.