Kunja kwa chinthucho ndi kowala, koyera, kopanda kuwonongeka kwa makina, cholumikizira ndi chosalala komanso cholondola, ndipo dzina la dzina ndi lomveka komanso lolimba.
Izi zimagwira ntchito pazida zopangira zida.Timakhala ndi zopanga zambiri kwa makasitomala ena, ndipo titha kuvomerezanso makonda malinga ndi magawo a kasitomala.
Zofunikira paukadaulo ndi magwiridwe antchito amagetsi: tsatirani GB19212.1-2008 Safety of Power Transformers, Power Supplies, Reactors ndi Zofananira Zofananira - Gawo 1: Zofunikira Zonse ndi Kuyesa, GB19212.7-2012 Chitetezo cha Ma Transformers, Ma Reactors, Zida Zopangira Mphamvu ndi Zofananira Zogulitsa zomwe zili ndi Magetsi amagetsi a 1100V ndi Pansipa - Gawo 7: Zofunikira Zapadera ndi Mayesero a Zosintha Zodzipatula Zachitetezo ndi Zida Zopangira Mphamvu Zokhala ndi Zosintha Zodzipatula Zotetezedwa.
