Installing Cylinder Sleeves. Damaged and worn cast iron and aluminum engine blocks have long been repaired using dry sleeves. Installing a repair sleeve can often save the block if a cylinder has excessive taper wear, or is cracked, scored or otherwise damaged, and boring out the damaged cylinder.
If you have a collagen vascular disease, your immune system causes inflammation in your collagen and nearby joints. Several collagen vascular diseases, including lupus, scleroderma, and rheumatoid arthritis, are more common in women than in men. This group of diseases usually affects adults in their 30s and 40s.
Other causes of narrowing (stenosis) includes 1  : Mass pressing against the artery as is the cases with a neighboring tumor, fluid filled cyst or the pregnant uterus. 2  Infection causes inflammation and thereby swelling of the arterial wall. 3  Non-infectious causes of inflammation (vasculitis) also causes swelling of the arterial wall.