several nations have already adopted diverse range of safety shoes or safety footwear that promises to provide a higher level of protection to the workers' feet at their workplaces, irrespective of the nature of industry.

How would the previous sentence be correctly capitalized?
Several nations have already adopted diverse range of safety shoes or safety footwear that promises to provide a higher level of protection to the workers' feet at their workplaces, irrespective of the nature of industry.