The speed of sound depends on the medium that the waves pass through, and is a fundamental property of the material. The first significant effort towards the measure of the speed of sound was made by Newton.
When the Occupational Safety and Health Act passed in 1970, steel-toe boots became a standard in the American workplace, preventing thousands of on-the-job injuries. Today's technology has only increased the variety of work boots available, and it's important to understand the differences before purchasing a pair.
Product Code: BOOT-TOE-SAVER-CAPS. Boot Toe Saver Caps add life to any work boot by protecting the toe area from wear-and-tear. The boot saver is a flexible piece of sturdy synthetic material which adapts perfectly to the shape of footwear to protect the leather cap. They will not mark floors, and are resistant to cold, heat, water, friction & chemicals.