Umphezulu wesinyithi kufuneka ube mtyibilizi kwaye ungangcoliswa ngumhlwa. Iiplati akufuneki zigobe okanye ziqhekeke. Iplastiki akufuneki ingalingani, ingabi mdaka okanye ibe nemingxunya okanye umonakalo. Ubushushu beendawo ezahlukeneyo eziqhuba umbane kufuneka buthwale umsebenzi wevolthi yovavanyo kwaye apho
akukho mingxunya kuyo.
I-90% yomphezulu iya kugutyungelwa yi-solder. Ngaphandle kokuguqulwa kwesiseko,
inokwanelisa ukusebenza koomatshini, kwe-elektroniki. Isenzo ngaphandle kokuthintela
into eyenzekayo, iqhosha livumela umphezulu ogugileyo