Umuyoboro uzengurutswe, ushyushye ushyushye wa pneumatike ya silindari ita cyangwa icyapa kirabya nkibikoresho fatizo mu ruganda ruzengurutse rushya rushyushya itanura, amazi yumuvuduko mwinshi umanuka ibintu bitembera ukoresheje umutwe uca, umurizo, wongeye kwinjira mu ruganda rurangiza, gushyira mubikorwa mudasobwa -kugenzura ...
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