Educational services, namely, providing and conducting courses, classes, seminars and workshops in the fields of secondary school education, and distributing course materials in conjunction therewith; providing courses of instruction at the secondary school level; entertainment services, namely, arranging and conducting athletic and cultural events and competitions, arranging and conducting extracurricular activities in the nature of conducting after-school tutoring programs and providing edu...

Valves for controlling and regulating the flow of gases or liquids not being parts of plumbing, heating, cooling installations or machines