Foornaynta warshadaynta waxaa lagu sameeyaa majarafado ama dubbe ay ku shaqeeyaan hawo cadaadis leh, koronto, hawo-qaadayaal ama uumi. dubbayaashani waxa laga yaabaa inay lahaadaan miisaan is-celin ah oo kumanaan rodol ah. Dubeyaal koronto yar yar, 500 lb (230 kg) ama ka yar miisaanka is-beddelka ah, iyo madbacadaha hawo-mareenada ayaa sidoo kale caan ku ah farshaxanimada sidoo kale. Qaar ka mid ah dubbayaasha uumiga ayaa weli sii isticmaalaya, laakiin waxay noqdeen kuwo duugoobay iyadoo la heli karo ilo koronto oo kale, ku habboon.