glass product manufacture line icons and signs. molding, blowing, cutting, tempering, engraving, etching

glassmaking molding blowing cutting tempering engraving etching grinding bending polishing gluing annealing lamination finishing coating fusing stirring foaming forming beveling numericalcontrolled drilling shaping embossing cnc machining automated coextrusion vulcanization refractory toughening inspection recycling sandblasting marking sanding sandcasting plasmacutting lasercutting decorating building compacting icon vector line