Monga chinthu chatsopano pantchito yonyamula zinthu, chonyamula vacuum chakopa chidwi kwambiri m'zaka zaposachedwa. Mtengo wake umasiyana malinga ndi kuchuluka kwa katundu, kasinthidwe kachitidwe, ndi ntchito zina zowonjezera, kuwonetsa kusiyanasiyana kwake komanso luso lake.
Choyamba, kuchuluka kwa katundu ndi chinthu chofunikira kwambiri chomwe chimakhudza mtengo wa chonyamulira vacuum. Pamene kuchuluka kwa katundu kumawonjezeka, ndalama zopangira zinthu komanso zofunikira zaukadaulo zimakweranso, zomwe zimapangitsa kuti mitengo ikhale yokwera. Pamsika, mitundu yamitengo ya zonyamula vacuum yokhala ndi labala ndi pafupifupi pakati pa USD 8,990 ndi USD 13,220. Izi zikuwonetsa momwe msika ulili komanso zosowa za ogwiritsa ntchito mitundu yosiyanasiyana ya katundu. Zonyamulira vacuum zokhala ndi siponji nthawi zambiri zimakhala zokwera mtengo kuposa zomwe zili ndi labala pa USD 1,200 mpaka USD 2,000 chifukwa chogwiritsa ntchito zida ndi umisiri wovuta kwambiri. Kusiyana kwamitengo uku kukuwonetsa magwiridwe antchito apamwamba komanso kukhazikika kwa siponji.
Kupatula kasinthidwe kadongosolo, ntchito zowonjezera ndi chinthu china chofunikira chomwe chikukhudza mtengo wa zonyamula vacuum. Zinthu monga kusinthasintha kwamagetsi ndi magetsi oyendetsa magetsi kumapangitsa kuti zikhale zosavuta komanso zosavuta kuzigwiritsira ntchito panthawi yogwiritsira ntchito komanso kuonjezera ndalama zopangira. Chifukwa chake, mawonekedwewa nthawi zambiri amafunikira chindapusa chowonjezera, nthawi zambiri pafupifupi USD 650. Kwa ogwiritsa ntchito omwe amafunikira chiwongolero chakutali, ntchitoyi ndi chinthu chofunikira kwambiri, chomwe chimawonjezera pafupifupi USD 750 pamtengo wake.
Ponseponse, mitengo ya onyamula vacuum pamsika ndi yosiyana, kulola ogwiritsa ntchito kusankha mtundu woyenera ndi kasinthidwe malinga ndi zosowa zawo ndi bajeti. Ndi kupita patsogolo kwaukadaulo kosalekeza komanso kuchuluka kwa mpikisano wamsika, zikuyembekezeredwa kuti mitengo ya zonyamula vacuum ikhala yololera komanso yowonekera, yopereka zosankha zambiri ndi maubwino kwa ogwiritsa ntchito.