Mecanmed ke moetsi oa Chaena -10 ~ -40 deges , mofani oa thepa le ho beha kantle ho naha. Ho khomarela ho phehella ho lelekisa boleng ba lihlahisoa tse phethahetseng tsa lihlahisoa, e le hore likhato tsa rona tsa10 tsa10 tsa10 li khotsofatsoe ke bareki ba bangata. Moralo o feteletseng, lihlahisoa tsa boleng bo holimo, ts'ebetso e phahameng le theko ea tlholisano ke seo moreki a se batlang, 'me ke sona seo re ka se fang sona. Ho joalo, ho boetse ho bohlokoa hape ke litšebeletso tse phethahetseng tsa rona kamora ho rekisa. Haeba u thahasella litšebeletso tsa rona tsa10 ~ -40 tsa degree tsa rona , u ka re hopotsa hona joale, re tla u araba ka nako!