What does "industrial" mean?

Industrial: Consisting in industry; pertaining to industry, or the arts and products of industry; concerning those employed in labor, especially in manual labor, and their wages, duties, and rights. The great ideas of industrial development and economic social amelioration. M. Arnold. Industrial exhibition, a public exhibition of the various industrial products of a country, or of various countries. -- Industrial school, a school for teaching one or more branches of industry; also, a school for educating neglected children, and training them to habits of industry.