16 Printed matter, namely, printed books in the field of purification installations for sewage, sorting machines for chemical processing, machines for separating target materials from mixtures of materials, waste and trash separator machines, machines used for process filtration in the pharmaceutical industry; printed lessons in the field of purification installations for sewage, sorting machines for chemical processing, sorting machines for biochemical processing, sorting machines for pharma processing, sorting machines for food industries processing, sorting machines for biofuel processing, sorting machines for beverage processing, sorting machines for mining processing, sorting machines for heavy oil processing, sorting machines for mineral oil processing, machines for separating target materials from mixtures of materials, waste and trash separator machines, machines used for process filtration in the pharmaceutical industry, machines used for process filtration in the chemical industry, machines used for process filtration in the biochemical industry, machines used for process filtration in the food industry, machines used for process filtration in the biofuel industry, machines used for process filtration in the beverage industry, machines used for process filtration in the mining industry, machines used for process filtration in the heavy oil industry, machines used for process filtration in the mineral oil industry; teaching materials, except apparatus, namely, paper teaching materials in the field of purification installations for sewage, sorting machines for chemical processing, sorting machines for biochemical processing, sorting machines for pharma processing, sorting machines for food industries processing, sorting machines for biofuel processing, sorting machines for beverage processing, sorting machines for mining processing, sorting machines for heavy oil processing, sorting machines for mineral oil processing, machines for separating target materials from mixtures of materials, waste and trash separator machines, machines used for process filtration in the pharmaceutical industry, machines used for process filtration in the chemical industry, machines used for process filtration in the biochemical industry, machines used for process filtration in the food industry, machines used for process filtration in the biofuel industry, machines used for process filtration in the beverage industry, machines used for process filtration in the mining industry, machines used for process filtration in the heavy oil industry, machines used for process filtration in the mineral oil industry; printed manuals being handbooks in the field of purification installations for sewage, sorting machines for chemical processing, sorting machines for biochemical processing, sorting machines for pharma processing, sorting machines for food industries processing, sorting machines for biofuel processing, sorting machines for beverage processing, sorting machines for mining processing, sorting machines for heavy oil processing, sorting machines for mineral oil processing, machines for separating target materials from mixtures of materials, waste and trash separator machines, machines used for process filtration in the pharmaceutical industry, machines used for process filtration in the chemical industry, machines used for process filtration in the biochemical industry, machines used for process filtration in the food industry, machines used for process filtration in the biofuel industry, machines used for process filtration in the beverage industry, machines used for process filtration in the mining industry, machines used for process filtration in the heavy oil industry, machines used for process filtration in the mineral oil industry; printed manuals for instructional purposes in the field of purification installations for sewage, sorting machines for chemical processing, sorting machines for biochemical processing, sorting machines for pharma processing, sorting machines for food industries processing, sorting machines for biofuel processing, sorting machines for beverage processing, sorting machines for mining processing, sorting machines for heavy oil processing, sorting machines for mineral oil processing, machines for separating target materials from mixtures of materials, waste and trash separator machines, machines used for process filtration in the pharmaceutical industry, machines used for process filtration in the chemical industry, machines used for process filtration in the biochemical industry, machines used for process filtration in the food industry, machines used for process filtration in the biofuel industry, machines used for process filtration in the beverage industry, machines used for process filtration in the mining industry, machines used for process filtration in the heavy oil industry, machines used for process filtration in the mineral oil industry; printed educational books in the field of purification installations for sewage, sorting machines for chemical processing, sorting machines for biochemical processing, sorting machines for pharma processing, sorting machines for food industries processing, sorting machines for biofuel processing, sorting machines for beverage processing, sorting machines for mining processing, sorting machines for heavy oil processing, sorting machines for mineral oil processing, machines for separating target materials from mixtures of materials, waste and trash separator machines, machines used for process filtration in the pharmaceutical industry, machines used for process filtration in the chemical industry, machines used for process filtration in the biochemical industry, machines used for process filtration in the food industry, machines used for process filtration in the biofuel industry, machines used for process filtration in the beverage industry, machines used for process filtration in the mining industry, machines used for process filtration in the heavy oil industry, machines used for process filtration in the mineral oil industry; printed brochures in the field of purification installations for sewage, sorting machines for chemical processing, sorting machines for biochemical processing, sorting machines for pharma processing, sorting machines for food industries processing, sorting machines for biofuel processing, sorting machines for beverage processing, sorting machines for mining processing, sorting machines for heavy oil processing, sorting machines for mineral oil processing, machines for separating target materials from mixtures of materials, waste and trash separator machines, machines used for process filtration in the pharmaceutical industry, machines used for process filtration in the chemical industry, machines used for process filtration in the biochemical industry, machines used for process filtration in the food industry, machines used for process filtration in the biofuel industry, machines used for process filtration in the beverage industry, machines used for process filtration in the mining industry, machines used for process filtration in the heavy oil industry, machines used for process filtration in the mineral oil industry