They aren't. Needs are basic in nature, like food, shelter etc. Refer to Maslow's hierarchy figure below: Hierarchy of Needs. Wants: Want is a feeling for something you lack. Desire: Desire is an extension of a want, with clear objective of filling the gap that want had left with.
4,821 workers were killed on the job in the United States. The fatal injury rate was 3.4 per 100,000 workers, up from a rate of 3.3 per 100,000 workers in 2013. An estimated 50,000 people died from occupational diseases. 150 workers died each day from hazardous working conditions. Nearly 3.8 million work-related injuries and illnesses were reported.
Two ComEd linemen have been killed on the job since 1997. U.S. Bureau of Labor Statistics figures show that 34 electrical power installers and repairers of the total 134,000 workforce were killed on the job in 1999.