42 Engineering; professional consulting in chemistry; drawing up of expert technical opinions with regard to chemical engineering and mineral exploitation processes; geological and oil prospecting; materials testing; providing laboratory research services in the field of chemistry; chemical analysis services; technical project studies, namely, conducting laboratory studies and chemical analyses for the use of dispersing agents, grinding agents, anti-settling agents, thickeners, viscosifiers, rheology modifiers, anti-scaling agents, thinning agents, fluidifiers, crystallization inhibitors, superplasticizers, water-reduction agent additive for cement and additives for masterbatches; chemical research; technical research, namely, providing research in the field of the manufacture of minerals, bodycare, plastics, ceramics, detergents, cosmetics, textiles, leather, concrete, paints, adhesives, paper, inks and sealants; chemical research and analysis services, namely, technical research, laboratory studies, trials and customer trials in the field of the manufacture of minerals, bodycare, plastics, ceramics, detergents, cosmetics, textiles, leather, concrete, paints, adhesives, paper, inks and sealants; research and development of new products for third parties; monitoring services, namely, testing the chemical properties of new products