Aap dekh sakte ho diamond core drilling rig me oil service kaise kiya jata he

Aaj ka video aap dekh sakte ho diamond core drilling rig ka oil service kaise kiya jata he pura detail me aapko dekhate he ye video me kaise diesel filter change karte he aur oil filter vhi change hua he .Engine me 15 w 40 ka oil kidar se dalti he aur aese he video k liye like comment share kare mere utube channel pe @ Rk drilling technology