2. Chifukwa cha kusatsimikizika kwa mtengo wa makina owombera, patatha zaka zambiri zitapanga chitukuko, zida zowombera zida zambiri zapanga mtengo wogwirizana. Kusiyana kwa nthawi pakati pa kugula ndi kugula kwa makasitomala sikokulirapo, koma mtundu wazogulitsa uyenera kutsimikiziridwa kaye.
Pazipangizo zomwe sizimayendera bwino pakuwombera, pali zinthu zambiri zosatsimikizika monga kuchuluka kwa ma blasters, voliyumu yochotsa fumbi, komanso kukula kwa chipinda, kotero kuti mtengo siwogwirizana.
3. Mtengo wamagetsi, makina opangira makina opangira makina makamaka amamvetsetsa zinthu izi: (1) mtundu wazida zopangira, monga makulidwe a mbale yachitsulo, (2) njira yopangira, (3) kuwombera kabotolo koyeretsa magwiridwe antchito, komwe kungakhale mwachilengedwe kwambiri kumunda kuti muwone, makasitomala akagula, amatha kuwona njira yoyeretsera makina owombera pomwepo kuti awone mawonekedwe a workpiece wotsukidwa.