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.
Steps. 1  1. Safety first - If the system you are looking at has something that burns in (like natural gas or propane), make certain that the area is well ventilated and there is nothing that will make a spark while you do your test. 2  2. Mix a few tablespoons of dish soap into a container of water. 3. Pressurize the system (turn on the gas, or use an air supply of some kind) 4. Wet down the suspected parts with the soap solution. If you see bubbles form on them, then you have found the leak! This approach will work on tires, inner tubes, gas lines pretty much anything with a gas under pressure inside.