The pampu ya syringe imatanthawuza zida zowongolera zamakina ndi zamagetsi, zomwe zimawongolera syringe mpope kukankha mutu kuchitapo kanthu syringe kukankhira chogwirira kudzera mu mota kuti muwongolere kuthamanga kwa jakisoni.The pampu ya syringe imagwiritsidwa ntchito molumikizana ndi jekeseni yamadzimadzi m'thupi la wodwalayo ndi metering yaing'ono ndi kuwongolera moyenera kuchuluka kwake.Malinga ndi kuchuluka kwa mayendedwe, imatha kugawidwa munjira imodzi ndi njira zingapo (njira ziwiri, mayendedwe anayi, masitayilo asanu ndi limodzi, mayendedwe asanu ndi atatu, njira khumi, ndi zina).