Burnishing by abrasion; air deodorising; air freshening; air purification; boiler-making; cadmium plating; chromium plating; cloth treating; cloth waterproofing; colour separation services; cryo-preservation services; decontamination of hazardous materials; dyeing services; electroplating; embroidery; engraving; fabric waterproofing; framing of works of art; galvanizing; gilding; gold-plating; grinding; laminating of metal plates; laser scribing of copper; lithographic printing; material trea...