-
Plunger Lubricant Drip Machine maka igwe oyi akwa anwụ
Njirimara
1. mma mmanu mmanu, na-eri nke lubrication bụ ọkara nke ndị ọzọ lubrication ụzọ.
2. Obere mmanu mmanu, obere gas evolushọn, na-ebelata nke ọma n'ime porosity nke nkedo (karịsịa hydrogen stomata).
