Educational services, namely, conducting classes, seminars, conferences, workshops, field trips in the field of general knowledge regarding building construction, road construction, concrete paving, site clearing, excavation, pad preparation, grading, and asphalt paving; arranging, conducting and organization of seminars in the field of building construction, road construction, concrete paving, site clearing, excavation, pad preparation, grading, and asphalt paving; providing online non-downl...