Amathuluzi Okudonsa Umgodi ayizingcezu zemishini yasensimini kawoyela esetshenziswa ngesikhathi sokumba imithombo, ukuqedwa kanye nokungenelela noma imisebenzi yokusebenza kwemithombo futhi kusiza umthombo kawoyela ekwenzeni ngcono amazinga okukhiqiza kanye nokugcina ukugeleza okuqhubekayo okuvela edamini.
Kunezinhlobo eziningi zamathuluzi okudonsa phansi asetshenziselwa ukwenza imisebenzi yomgodi njengamathuluzi nemishini ethambile, amathuluzi nemishini yocingo, isibonelo, izimbiza zokubhoboza, amathuluzi okudoba, amathuluzi okusunduza, amapayipi okubhoboza, amathuluzi eshubhu, ama-centralizers, njll.
I-VS Petro ikhiqiza futhi ihlinzeka ngamathuluzi okudonsa phansi asezingeni eliphezulu ngokugcwele kuye ngochwepheshe bethu abangochwepheshe kuyo yonke indawo yokukhiqizwa kukawoyela/igesi kanye nokugcinwa kwayo. Ngokulawula okuqinile kuzo zonke izinyathelo zokukhiqiza zokuklama, izinto zokwakha, ukuhlanganisa, ukuhlola, ukupenda kanye nokufaka, sinikeza amathuluzi okudonsa phansi angcono kakhulu ezinkambeni zikawoyela emhlabeni jikelele.
Wonke amathuluzi ethu okudonsa ahambisana ne-API, ISO noma i-GOST standard.