Pali mitundu yopitilira 100 ya zinthu za plunger za YS, zomwe zimatha kufanana ndi mapampu a jakisoni wamafuta amagalimoto osiyanasiyana ndi zida zamakasitomala padziko lonse lapansi. YS plunger imakhala yolondola kwambiri ndipo imatha kupanga mafuta otsika kwambiri mumafuta opanikizika kwambiri mkati mwa nthawi yodziwika, ndikuwonetsetsa kusinthasintha kwa plunger panthawi yantchito. Kusuntha kobwerezabwereza kwa plunger mu mkono wa plunger kumapanga ntchito ya mpope wa jekeseni kuyamwa mafuta ndi mafuta opopera.