problem on sinking of supports

[@kadaksera3818]

Since my exam has over so opted to unsubscribe from every channels .in that your highly productive channel aslo comes, so thanks for your help.. thanks again

[@sumit.164]

1m = 1000mm So 6m = 6000mm

[@mdzakirhussain5893]

First of all sir there is no need of your photo as water mark