42 Design, engineering, research, and development in the field of ergonomic and mobility products; design, engineering, research, and development in the field of durable medical equipment and devices; designing, creating and delivering ergonomic and mobility products; designing, creating and delivering durable medical equipment and devices that assist therapists and individuals; design and development of ergonomic and mobility products and durable medical equipment and devices; consultation in the field of mobility, therapy and ergonomics, namely, designing ergonomic and mobility devices and durable medical equipment to assist therapists and individuals