Mangenin sunan kasuwanci ne na wata rana na yawanci 86% jan ƙarfe, 12% manganese, da 2% nickel. Edward Welonon a shekarar 1892, ya inganta a kan Constantan (1887).

Wani juriya na yin juriya tare da tsayayyen matsakaici da ƙarancin zafin jiki. Juriya / Tsarin Zazzage / Zazzabi ba shi da lebur kamar yadda hanyoyin juriya kuma ba su da kyau.

Ana amfani da Mangenin da waya a cikin kera na tsayayya, musamman jiShuntaS, saboda kusan ƙwararrun yanayin ƙarancin zazzabi na ƙwayar tsayayya [1] da kwanciyar hankali na dogon lokaci. Masu tsayayya da magunguna da yawa sun yi aiki a matsayin matsayin doka na OHM a Amurka daga 1901 zuwa 1990. [2] Hakanan ana amfani da waya manggan a matsayin mai ba da izinin lantarki a cikin tsarin cryogenic, rage girman canzawa tsakanin maki wanda ke buƙatar haɗin lantarki wanda ke buƙatar haɗin lantarki.

Hakanan ana amfani da mangganin a cikin ma'aurukan karatu na matsanancin matsin iska (kamar waɗanda aka kirkira daga halartar abubuwan fashewa) saboda yana da hankali sosai.