Munguva dzeHolocene, kudiwa kwemichina inorema mumaindasitiri akasarudzika kwave kukwira, zvinosanganisira kuvaka, bhizinesi rekurima, uye migodhi. Iyi ine light-emitting diode kune kuwedzera kudiwa kwekugara uye inoshanda rabha nzira patirakita, excavator, backhoe, uye nzira stevedore. The focus ine sw...
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