Overview. Kidney stones are also known as calculi (plural), or calculus (singular). When it is in the kidney, it is a renal calculus. The tube draining the kidney to the bladder is the ureter, and a stone in the ureter is a ureteral calculus. It is estimated that 20% of us will have a kidney stone in our lifetime.
âIt wasn't long ago that sprayers were a niche product,â says Cory Venable, John Deere product manager. âNow they have become an essential product for effective crop production. More and more producers are seeing the value and return on investment that a self-propelled sprayer offers.
Self-propelled lawn mowers - These lawn mowers are similar to push lawn mowers, but are propelled forward by a transmission. They are ideal for small, hilly yards or slightly larger lawns. Check out the new TB320 21 Self-Propelled Mower with rear-wheel drive for extra traction and maneuverability.