Kwa sababu ya poor management

What are the heat apparatus
Are the apparatii used in lab during experiment involving heat eg decomposition
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Kati ya mchaga na sigara nani anatoka moshi
Chukulia ww ni mwalimu wa chekechea alafu tutoto twa chekechea tuwili tukaja tukakuuliza "mwalimu watoto kama sisi tunaweza kupata mimba "ukakataa alafu kakiume kakamwambia wa kike "baby sinilikwambia sijakutia mimba usiwe nahofu"utafanya nn???????????????????????????????????????????
Bcoz of frictional force