LBH wiper ni ikintu gifunga ikoreshwa mumazi ya hydraulic kugirango ibuze ubwoko bwose bwibintu bibi byamahanga byo kujya muri silinderi.
Bisanzwe hamwe nibikoresho bya NBR 85-88 Inkombe A. Ni igice cyo gukuraho umwanda, umucanga, imvura, nubukonje inkoni ya piston isubiranamo yizirika hejuru yinyuma ya silinderi kugirango birinde umukungugu n’imvura byinjira muri igice cy'imbere muburyo bwo gushiraho ikimenyetso.