Kuchulukitsa kwa mafuta amtambo ndi waya wamkati ndi kunja
Kuphatikizira kulumikizana ndi ulusi wamkati ndi kunja, mkuwa 1pt / 2pt / 3pt. 1pt yolumikizirana ndi ulusi wamkati ndi wakunja 50/75 / 10050mm, 2pt yolumikizirana mkati ndi 80 / 125mm, 35 / 100/125 / 150mm.