30421 You need to eat more fiber. CK 954006 Is eating too much fiber bad for you? CK 1156222 Muscles are made of hundreds of thin fibers. CM 3020389 Use the highest heat settings only when you're ironing fabrics made of natural fibers like cotton or linen. Delian 3020390 Using high heat settings while ironing synthetic fabrics will melt the synthetic fibers and cause visible permanent damage, which often looks like a shiny area where the too-hot iron had the longest contact with the fabric. Delian