Tlhaloso e khuts'oane ea valve ea ho phaphamala: Belofo e na le letsoho la mokokotlo le float, 'me e ka sebelisoa ho laola boemo ba mokelikeli ka har'a tora e pholileng kapa polokelong ea sistimi.Tlhokomelo e bonolo, e tenyetsehang le e tšoarellang, ho nepahala ha boemo ba metsi bo phahameng, mohala oa boemo ba metsi o ke ke oa angoa ke ...
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