Falling in the last category is Denmark's own Crown Princess Mary. She has two tiaras: the Ruby Parure tiara (which she last wore at Crown Princess Victoria's wedding), and her wedding tiara. Every now and then, she'll bust out a third, the Midnight Tiara (which we saw during Queen Margrethe's birthday celebrations), but that one is a loaner.
The General Duty Clause has an important use for workers. Sometimes there is a hazard, but OSHA has no specific rule or standard dealing with it. Under the General Duty Clause, the employer has an obligation to protect workers from serious and recognized workplace hazards even where there is no standard.
OSHA Standards for the General Industry. The Occupational Safety and Health Act of 1970 was enacted by Congress to address the effect of workplace injuries and hazards on the nation's commerce. The act authorized the formation of the Occupational Safety and Health Administration as part of the Department of Labor.