/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: greggell3 https://cdn.slidesharecdn.com/profile-photo-greggell3-48x48.jpg?cb=1523414365 HIghly experienced in industrial and commercial HVAC, Controls and facilties service management and equipment sales. Over 36 years in the commercial / industrial environment including in-plant operations and training of technicians in the electrical and HVAC fields.