Indlela yokuhlanza kahle uphawu lwe-thermos: umhlahlandlela wokuyigcina ihlanzekile futhi inwebe ukuphila kwayo I-thermos ingumngane obalulekile ekuphileni kwethu kwansuku zonke, esinikeza iziphuzo ezifudumele noma ezibandayo, kungakhathaliseki ukuthi kusehhovisi, ejimini noma ukuzijabulisa kwangaphandle. Kodwa-ke, uphawu lwe-thermos lungaba lula kakhulu ...
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