Phepelo ea motlakase ea UPS e ka rarolla mathata a marang-rang a motlakase joalo ka ho felloa ke matla, ho otla ha lehalima, ho phahama, ho oscillation khafetsa, phetoho ea tšohanyetso ea motlakase, ho feto-fetoha ha motlakase, ho khannoa ha maqhubu, ho theoha ha motlakase, ho sitisoa ha matla, joalo-joalo, le lisebelisoa tsa marang-rang tse tsoetseng pele ha li lumelle matla. ho sitisoa...
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