Water, Water everywhere. Where ????

Water, Water everywhere. Where ????
Please click on the above link to see the write up by Mr Chetan Prasad on the importance of a spirit level that is the most important aspect which is usually forgotten by borewell drillers.As the author has rightly said the cost of a simple spirit level may not cost more than Rs 150/- as against the cost of Borewell compressor running into lakhs.