1.Le isethi yesipho sebhizinisi esenziwe ngokwezifiso kufaka phakathiincwadi yokubhalela, thermos kanye nesambulela.
2.I-A5incwadi yokubhalelaiyibhange lamandla eselula elingashajwa ngaphandle kwentambo.Incwadi yokubhalela inesibambi sikamakhalekhukhwini nesibambi sekhadi, futhi isembozo senkomishi ye-thermos singabonisa izinga lokushisa namanzi okuphuza ngokwezinga lokushisa lokuphuza lomuntu ngamunye.Amasethi ezipho anamalogo ngokwezifiso alungele izipho zebhizinisi, izipho zasehhovisi, izipho ezicabangelayo zozakwenu nomndeni.