Na-ele anya na ahịa igwe pellet dum, na-abawanye teknụzụ na ịkwalite mgbanwe nke ụlọ ọrụ na-arụpụta ihe na nhazi nke mmepe nke mmepe ụlọ ọrụ na-emepụta. Ngwa nkwakọ ngwaahịa buru ibu vetical crance bụ ndọtị nke akụrụngwa na-ekesa akpaka. Ruo ugbu a, igwe igwefoto agbasawo site na ntuziaka ngwaọrụ, nke bụ ezigbo mgbanwe na ọganihu, na ọgụgụ isi nwere ọtụtụ uru na akpaaka. Ngwakọta nkwakọ ngwaahịa na-akpaghị aka bụ ihe nlereanya maka ntoputa nke teknụzụ nwere ọgụgụ isi.
Ngwongwo igwe eji eme ihe nke oma bu udiri oru nke nwere nnukwu mmepe nke nwere nnukwu imeputa ihe di iche iche na uzo uzo, okacha ole ka nkwakọ ugbo nke otutu ihe. Site na mmepe nke igwe nchịkọta, ndị ọzọ na-eme ka ukwuu na-apụta na ọrụ ọrụ, yana n'ihi ozi opaque na Internetntanetị, ọ dị mfe itinye nghọtahie mgbe ị na-ahọrọ akụrụngwa nkwakọ ngwaahịa vertics vertic. Ngwa eji akụrụngwa akpaka bụ nke akụrụngwa nkwakọ ngwaahịa. Usoro njikwa PHC gbakwunyere na Photoctric nwere ike mezue nha, na-emeju, na-ejuputa, na-ewepụ ụbọchị mmepụta, na-eti ya. Ile anya na ọdịdị ya, a na-eme ya nke 304 igwe anaghị agba nchara, nke na-eme ka nguzogide mmezi nke akụrụngwa ma mee ka ịdị ọcha nke nkwakọba. A na-ejikwa ya na nchoputa zuru oke, akpaka emechi akpacha anya na ọrụ ndị ọzọ, nke nwere ike inyere ndị ọrụ aka ịmaliteghachi mmepụta ozugbo enwere ike.

N'ime afọ iri gara aga, ụlọ ọrụ nkwakọbaala dị ezigbo mkpa na nkwakọ ngwaahịa nke ihe. Ngwongwo ahihia akpaka bu iji meziwanye ihe eji eme ihe eji eme ihe eji eme ihe eji eme ihe eji eme ihe, ma meghee ihe di iche na ahia ahia. Ngwá ọrụ nkwakọ ngwaahịa buru ibu ma dị mfe, usoro na-agbanwe agbanwe amalitela nnukwu ụlọ ọrụ nkwakọ ngwaahịa.