Not all nouns conform to the standard pattern. In fact, some of the most common English nouns have irregular plural forms, such as woman/womenand child/children. In addition, several nouns have alternative plurals, one regular and the other irregular. In regard to these alternative forms, ther...
convex side (due to the shorter radius of curvature on the concave side). This has the tendency of making the components on the concave side loose tension and or buckle to accommodate the shorter path length they are forced to adopt. This is undesirable since in many applications it is ...