Paper finishing; applying finishes to textiles; upcycling in the nature of waste recycling; treatment of materials by vulcanization; dressing of animal skins; fruit crushing; embroidering; galvanization; electroplating; engraving; decontamination of hazardous materials; air deodorizing; tanning; metal tempering; freezing of foods; gilding; gold plating; cadmium plating; permanent-press treatment of fabrics; food and drink preservation; food smoking; leather staining; fur dyeing; shoe staining...