The bringing together, for the benefit of others, of a variety of goods, chemicals used in industry, science, photography, agriculture, horticulture and forestry, manures and soils, unprocessed artificial resins and unprocessed plastics, fire extinguishing compositions, adhesives not for medical, household and stationery purposes, paints, varnishes, lacquers, preservatives against rust, preservatives against deterioration of wood, thinners and binders for paints, pigments, preservatives for m...