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1. M'mbuyomu Mitengo Yotseka M'misika Yaikulu Pa tsiku lomaliza la malonda, mitengo ya butyl acetate inakhalabe yokhazikika m'madera ambiri, ndi kutsika pang'ono m'madera ena. Kufunika kwa zinthu zotsika kunali kofooka, zomwe zinapangitsa kuti mafakitale ena atsitse mitengo yawo yoperekedwa. Komabe, chifukwa cha mtengo wapamwamba wopanga,...Werengani zambiri»
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Monga m'modzi mwa ogulitsa mankhwala akuluakulu ku Shandong Province, China, takhala patsogolo popereka mankhwala abwino kwambiri kuyambira 2000. Kudziwa bwino ntchito yathu yopereka mankhwala opangira mankhwala ndi zinthu zina zofunika kwambiri kwatithandiza kukwaniritsa mafakitale osiyanasiyana. Pakati pa ...Werengani zambiri»