A man wearing a blue apron and long rubber boots is dragging a flotation device from a long row of flotation devices.
A man wearing work clothes and boots is working on a flotation device.
Blue apron and long rubber boots are work clothes and boots.
Blue apron and long rubber boots are a type of work clothes and boots respectively. Dragging a flotation device is a type of work.
blue apron and long rubber boots are working clothes