Choyamba, pamwamba pa chubu chamkuwa chapamwamba kwambiri chidzapanga chitetezero cholimba, mosasamala kanthu kuti ndi mafuta, chakudya, mabakiteriya ndi majeremusi, zakumwa zovulaza, mpweya wa okosijeni kapena kuwala kwa ultraviolet, sizingadutsepo, komanso sizingawonongeke kuti ziwononge khalidwe la madzi, ndipo tizilombo toyambitsa matenda tikhoza ...
Werengani zambiri