Underground Support System|| Chapter- 9||Dj Deshmukh||By Rohit Sir

[@fiendtv6314]

Thank you so much

[@abhijitsingh976]

Screw prop kha use karte hain

[@narendrakumarsahu6192]

good teaching

[@ncertmathsclasses7449]

Thanks sir 🙏🙏

[@dinkarkumar2668]

rohit sir ,wcl 2018 ka question slove karawa dijiye

[@AjayKumar-cf8bq]

Sir आपका video क्यो नहीं आ रहा है sir

[@kumaraayush1803]

nai samaj aaiya sal prop height, diameter

[@deepakkumarsahu4573]

Prop support or coge support kitne duri par lagya jata hai plzzz help me