These sample drawings contain varying degrees of drawing detail from control panels, wiring diagrams, structural and fabrication components, mechanical parts as well as architectural drawings. Several are “as built” drawings requiring measuring and calculations. Some details are from parts and/or maintenance manuals for pipeline equipment , various mechanisms and patent drawings. Title blocks and other information are omitted when necessary. These drawings represent the types of projects for former clients such as 360 International, Ardent Services, Apache, Island Operating, Datacom, Sidewinder Pumps, Delmar, Morton, Woodson Companies, Joe Picard Inc., Conoco, Unocal, and Forest Oil.