meals — a coarse, unsifted powder ground from the edible seeds of any grain: wheat meal; cornmeal.
steels — any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying according to composition and heat treatment: generally categorized as having a high, medium, or low-carbon content.
wheels — a circular frame or disk arranged to revolve on an axis, as on or in vehicles or machinery.