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A na-akpọkwa efere laser efere ụkpụrụ CD. Ụkpụrụ ọrụ ya bụ ịkwanye elu nke efere igwe anaghị agba nchara na igwe iji nweta mmetụta ụkpụrụ a chọrọ n'enweghị mmetụta aka.

Jiri ikuku abịakọrọ dị ka ike iji mepụta ụgbọ elu jet na-agba ọsọ iji fesa ihe na-agbapụta n'elu ihe a na-arụ ọrụ ka a na-ahazi na nnukwu ọsọ ọsọ ka elu nke ọrụ ahụ na-enweta mmetụta nke ájá ájá..

Usoro ọrụ nke ịtinye mmiri titanium ojii: ịcha – igwu mmiri – na-asa efere – na-etinye ya na ọdọ mmiri ọgwụ – na-ewepụ ya na oven – nhicha – ihicha – ihe nkiri

Ebumnuche na-emepụta mmeghachi omume ionization n'ime ọkụ ọkụ ọkụ ọkụ, Ọzọkwa, site na ntụtụ nke gas (oxygen, nitrogen, acetylene), a na-emepụta ihe nkiri agba ọla, nke na-arapara n'elu efere igwe anaghị agba nchara.

E kewara etching ụzọ atọ: photosensitive etching, ihuenyo silk etching, na mwepụ nke titanium etching

Jiri eriri abrasive na-agbagharị ọsọ ọsọ na-egweri elu nke efere igwe anaghị agba nchara ka ọ na-akpụ ọnya mgbe niile n'elu efere igwe anaghị agba nchara..