Makina Okumba a Magetsi Ukadaulo wamakono ndi wopangitsa mabatire a lithium kupereka mphamvu ku makina okumba. Makina okumbawo okhala ndi mabatire a lithium amphamvu zambiri amatha kuchepetsa phokoso lalikulu. Poyerekeza ndi injini za dizilo zachikhalidwe, makina okumbawa amathanso kuchepetsa malo a injini kuti asungemo zida zambiri zomwe zingathandize kuwonjezera ntchito ndiponso kusunga nthawi.
Dzina la polojekiti : Silent Bull, Dzina laopanga : WEIWEI ZHANG, Dzina la kasitomala : Changshu Institute of Technology.
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