rickets occurs when the body has a severe lack of vitamin d during the developmental years vitamin d is essential to the development of strong healthy bones
A clothes dryer should last an average of 10 to 15 years, according to consumer products experts.
Of the major appliances in a home, gas ranges have the longest life expectancy: 15 years. Dryers and refrigerators last about 13 years. Some of the appliances with the shortest lifespan are: compactors (6 years), dishwashers (9 years) and microwave ovens (9 years).