Working as HVAC Draughtsman Since April 2008 associated with Muscat electronics LLC,(DAIKIN air conditioning division) OMAN. Preparing Presentation Drawings in AutoCAD. • Preparation of Single line Diagrams. • Preparation of All types of standard drawing. • Designing HVAC drawings • Preparing Shop Drawings of Plan, Section & Elevation • Preparation of schematic Refrigerant piping diagram.