Impanuka ya tunnel ikonjesha nuburyo bworoshye, ibikoresho bikonjesha cyane.Irashobora kugabanywamo impingement mesh umukandara wa tunnel hamwe na firigo ikomeye.
Gutezimbere umukandara ukomeye wa tunnel ikonjeshwa itwarwa nabafana benshi bafite umuvuduko ukabije wumuyaga hamwe nu majwi adasanzwe.Ukurikije iki gishushanyo, firigo irashobora kurasa umwuka ukonje hejuru yubutaka no hepfo yibicuruzwa, bikavamo ibihe bikonje cyane.
Ikoreshwa cyane mugukonjesha ibice byimbuto, ibice byimbuto, urusenda, inyama, kuzuza amafi, nibindi biribwa bikase, bikase.