41 Educational services, namely, providing classes, seminars, and workshops in the field of industrial, institutional, residential and commercial plumbing, heating, cooling, refrigeration, ventilation, hydronics, and smart home products, electric motors for use in plumbing, heating, cooling, refrigeration, ventilation, and hydronic machines, and control and telecom supplies, tools, testing and maintenance supplies and equipment; education services, namely, providing classes, seminars, and workshops in the field of business management logistics, and supply chain services; educational services, namely, providing training of plumbers, electricians and technicians for certification in the field of industrial, institutional, residential and commercial plumbing, heating, cooling, refrigeration, ventilation, hydronics, and smart home products, electric motors for use in plumbing, heating, cooling, refrigeration, ventilation, and hydronic machines, control and telecom supplies, tools, testing and maintenance supplies and equipment, and business management, logistics, supply chain services