A professional who drafts designs of electromechanical equipment such as aircraft engine subassemblies, electronic optical-character-recognition and related data processing systems, gyroscopes, rocket engine control systems, automatic materials handling and processing machinery, or bio-medical equipment. Responsibilities include:

• Confers with engineers and other drafters to interpret design concepts, determine nature and type of required detailed working drawings, and coordinate work with others.
• Drafts detail and assembly drawings performing duties described under drafter master title.
• Compiles data, computes quantities, determines materials needed, and prepares cost estimates.