Sawing; dressmaking; printing; embroidery; soldering; burnishing by abrasion; planing; refining services; grinding; flour milling; engraving services; gold-plating; tin-plating; dyeing services; clothing alteration; textile treating; bookbinding services; framing of works of art; air purification; decontamination of hazardous materials; production of energy; photographic printing; photographic film development; silkscreen printing; photoengraving services; glass-blowing; taxidermy