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.
Collagen vascular diseases are autoimmune diseases that affect connective tissues, and occur when the bodyâs immune system attacks its own tissues and organs. Lupus is often characterized by a facial rash on both cheeks. Lupus patients may experience fatigue, joint pain, skin lesions and shortness of breath.