17 Extruded plastics in the form of films for use in manufacturing; plastic films for packing and stuffing, for use in the printing, graphic arts, engineering drafting, building products, and electrical industries; plastic films for commercial or industrial manufacturing, for use in the printing, graphic arts, engineering drafting, building products, and electrical industries; plastic films for packing, cushioning, or stuffing purposes, for use in the printing, graphic arts, engineering drafting, building products, and electrical industries; plastic films in the nature of adhesive-backed plastic films for use in the manufacture of durable labels and nameplates, for use in the printing, graphic arts, engineering drafting, building products, and electrical industries