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.
Diagnosing Low Oil Pressure Causes. If you want to know how to fix low oil pressure, the initial place you should start is with your dip stick. Grab a cloth and pull out the dip stick. Give it a wipe and place it back inside. Withdraw it again and see what level of oil appears on the markers. All dip sticks will have two levels of marking.