Drilling 2:1 Miles In The Search For Oil

• Some Pacts and Figures Relating to the World's Deepest Producing Well. Operations Which Involve the Use of Equipment Weighing up to 650 Tons r - rHE depth of the drilling in......

20,000 Electric Trucks In Germany ?

A N announcement appeared a short time ago in the German technical Press that the number of electric trucks now in use exceeds 20,000, and it was pointed out that the first was......