1, uzuzu n'elu na unyi nwere ude mmiri na-adịghị ike na ịsacha mmiri ọkụ.

2, ụghalaahịa, ihe nkiri nwere mmiri ọkụ na ncha adịghị ike ịsacha.
A na-eji mmanya na-egbu egbu ma ọ bụ ihe mgbaze na-ehicha ihe mejupụtara ihe nkedo ahụ.

3, griiz n'elu, mmanụ, mmanye mmanu mmanu, hichaa ya na akwa dị nro, igwe anaghị agba nchara nwere akwa na-anọpụ iche ma ọ bụ ngwọta amonia ma ọ bụ jiri akwa pụrụ iche ịsacha.

4, ọ bụrụ na enwere mgbakwunye acid, kpochaa mmiri ozugbo, wee jiri ngwọta amonia ma ọ bụ na-anọpụ iche carbonated soda solution imikpu, wee jiri mmiri na-anọpụ iche ma ọ bụ na-ekpo ọkụ na-asachapụ.

5, elu nke igwe anaghị agba nchara egwurugwu, bụ nke ukwuu ojiji nke ncha ma ọ bụ mmanụ kpatara ojiji nke mmiri ọkụ na-anọpụ iche ịsacha nwere ike ịsacha.

6, igwe anaghị agba nchara n'elu unyi kpatara nchara, nwere ike iji 10% nitric acid ma ọ bụ egweri detergent ịsacha, nwekwara ike iji pụrụ iche ịsa ọgwụ ọjọọ.

Ozi igwe anaghị agba nchara macro bara ọgaranya biko gaa na https://www.hermessteel.net