Wiishka Jib ee loogu talagalay xoojinta iftiinka, wiishashka boostada, wareegga wareegga wareegga qalabka wadista iyo kor u qaadista koronto, tiirka hoose iyada oo loo marayo aasaaska la taaban karo oo leh boodhka barroosinka, wareegtada cantilever ee uu wado cycloidal pinwheel bidix ilaa midig, iyo qaadista walxaha culus.wiishka Jib ee qaab dhismeedka birta godan, miisaan fudud, taako weyn, culays qaadis, dhaqaale iyo waara.
Awoodda: 1-10t
Dhererka loox: 2.5-15m
Dhererka qaadista: 6-24m