Biological activators; Biological preparations (other than for medical or veterinary purposes); Biological preparations for laboratory purposes; Biological preparations for use in biotechnology (other than medical); Biological preparations for use in cell cultures (other than medical); Biological preparations for use in manufacture; Biological products (other than for medical use); Biological substances (other than for medical or veterinary use); Biological tissue cultures for scientific or research purposes; Chemical formulations for use in biological sewage treatment