41 Arranging and conducting of workshops and live, in-person presentations in the field of geology, chemistry, mechanics, technology in the field of oil and gas, and engineering; arranging, coordination and organization of training and teaching seminars, classes, and courses of instruction in the field of measuring performance of businesses of common interest; party and reception planning and coordination services; educational services, namely, arranging and conducting of colloquiums, conferences, congresses, seminars, and symposiums in the field of geology, chemistry, mechanics, technology, and engineering; organization of exhibitions for cultural or educational purposes; practical training, namely, providing skills training programs, workshops, seminars, classes, and courses of instruction in the field of geology, chemistry, mechanics, technology, and engineering; teaching, namely, providing seminars, classes, and course of instruction in the field of geology, chemistry, mechanics, technology, and engineering