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.
What is a Self Propelled Mower. It is a lawn mower that assists you in pushing it by either front or rear wheel drive. This drive works like a car, and will activate when you squeeze the two mower push handles together. The actual speed is dependent on the pressure-more pressure=faster speed-less pressure=slower speed.