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 / 1250mm, 2pt yolumikizira mkati ndi 4pt yolumikizira mkati ndi yakunja 50/1000 / 1250mm.