Tšebeletso ea Rōna

Khamphani ea rona e sebetsa ka ho khetheha ho R&D, tlhahiso, tlhahiso le thekiso ea lihokelo tsa excavator.Lihlahisoa tse ka sehloohong ke letsoho la daemane, letsoho la kotopo le letsoho la hamore.Lihlahisoa li sebelisoa haholo kahong ea litsela, kaho ea matlo, kaho ea terene, merafo, ho hlobolisa permafrost, joalo-joalo.