ʻO nā ʻano like ʻole o nā mea hoʻohuihui keleawe kiʻekiʻe a me ka Nickel haʻahaʻa me ke kū'ē kiʻekiʻe a haʻahaʻa paha he mea kaulana no ke koina wela haʻahaʻa o ke kū'ē. Loaʻa i kēia mau mea hoʻohuihui ke kū'ē kiʻekiʻe i ka oxidation a me ka corrosion kemika, hoʻohana ʻia kēia mau mea hoʻohuihui no nā mea pale pololei o ka uea, nā potentiometers, nā mea hoʻomalu leo, nā rheostats ʻoihana kaumaha a me nā kū'ē o ka mīkini uila. Hoʻohana ʻia nā ʻano like ʻole no ka hoʻomehana ʻana i nā kaula me nā mahana conductor haʻahaʻa a ma ke ʻano he wili paipu i loko o nā "fittings wili uila". Hoʻohana ʻia ka mea hoʻohuihui keleawe Manganese i mea maʻamau no nā mea pale pololei, maʻamau a me shunt.