Nsogbu:
Ị nwetala konkịtị ebe ị na-achọghị ya, ma ọ bụ na ị nwere mkpuchi na konkịtị nke dara na ị ga-ewepụ ya.
Ngwọta:
Elunrụgide mmiri jettingna nnukwu nrụgide mmiri jet hydro ọnwụ nwere ike iji maka ọtụtụ ngwa ngwa. A elu eruba elu-nrụgideụgbọ mmirinwere ike igbutu ihe simenti site n'imebi ciment. N'ebe nrụgide dị elu na mgbada dị ala, mmiri nwere ike wepụ mkpuchi n'ezie na-emebighị ihe ụda dị n'okpuru. Tinye ihe abrasive na jet na mmiri nwere ike bee kpam kpam site na kọmpat nwere rebar n'ime. Dị ka onye na-eweta ngwaahịa na-ebupụ mmiri jetting, ndị otu anyị na NLB Corporation nwere ike inyere gị aka na mkpa gị niile. Kpọtụrụ anyịtaa ka ịmatakwu banyere ikike ịchafụ anyị na otu anyị nwere ike isi nyere gị aka na ọrụ ụgbọ elu mmiri mmiri dị elu.
Uru:
•Na-arụ ọrụ ngwa ngwa
•Adịghị emebi kọnkịrị ụda ma ọ bụ rebar
•Uzuzu dị ala
•Enwere ike ịmegharị ya
