Identifying new models for human eye diseases By Sara Cassidy, M.S., Ph.D. Although it is difficult to measure the impact of chronic conditions like eye disorders, Prevent Blindness America estimates that eye disorders and vision loss cost $139 billion in 2013, placing these conditions among the most expensive health disorders in the US.
Curing deadly engine vacuum leaks. Vacuum leaks can be located with spray carburetor cleaner or a can of WD-40. If the area is obstructed by linkage or hoses, use an extension nozzle to pinpoint the area of the vacuum leak.
WHAT CAUSES A PIN HOLE WATER LEAK. In most cases the leaks occur near the water main inside the house. They occur near the water main because this is where the water pressure is the greatest in the home. Just like how water over time can cut deep into rock creating things like the Grand Canyon it also can erode the inside of your pipe.