1. Ubwino wa kapu ya thermos yokhala ndi thonje wake wa malata Ngati mumagwiritsa ntchito kapu ya thermos nthawi zambiri, mutha kukumana ndi vutoli: m'nyengo yozizira, madzi a mu kapu ya thermos amazizira pang'onopang'ono, ndipo m'chilimwe, madzi a mu thermos. chikho chidzatenthedwanso msanga. Izi ndichifukwa ...
Werengani zambiri