Na ọdịdị ala na ọdịdị ala, isi mgbidi nke ice circus bụ Ugwu kachasị elu. A na-eji okwu ahụ eme ihe n'ụzọ sara mbara iji kọwaa ihe ndị yiri ya nke na-abụghị nke ice nke nwere ndagwurugwu nwere ndagwupụta na-agbakọta nke dị pasent 65 ma ọ bụ karịa na-emepụta njedebe elu nke ndagwurugwum mmiri.[1]

Headwall na ọdọ mmiri corrie Cwm Idwal
Mgbidi isi

Na injinia obodo, mgbidi isi bụ obere mgbidi na-ejide ihe nke a na-etinye n'ọnụ ụzọ ma ọ bụ n'ọnụ mmiri nke paịpụ mmiri ozuzo ma ọ bụ culvert.[2]

Na ọgwụ, mgbidi isi bụ mgbidi dị n'isi nke oghere ụlọ ọgwụ. Àkwà ahụ na-ejikọta mgbidi a n'ụzọ kwụ ọtọ, nke a na-etinye ngwá ọrụ dịka ndị na-achịkwa maka oxygen mgbakwunye, ndị na-ahụ maka ịmị, ihe na-amị amị, njikọ maka usoro mgbịrịgba oku, ọkụ, ụzọ eletrik, na mgbe mgbe niile ihe ngosi dị mkpa.

Ihe odide

dezie
  1. California Geological Survey. Timber Harvest Plan Review Workshop. State of California. Archived from the original on 21 December 2016. Retrieved on 6 October 2015.
  2. Local Government & Municipal Knowledge Base. Archived from the original on 2023-06-02. Retrieved on 2023-10-21.