Sells chemical, mechanical, electromechanical, electrical, electronic equipment and supplies or services by performing the following duties.

Calls on management representatives such as engineers, architects, or other professional and technical personnel at commercial, industrial, and other establishments and attempts to convince prospective client of desirability and practicability of products or services offered.

Reviews blueprints, plans, and other customer documents to develop and prepare cost estimates or projected increases in production from client's use of proposed equipment or services.

Draws up or proposes changes in equipment, processes, or use of materials or services which would result in cost reduction or improvement in operations.

Provides technical services to clients relating to use, operation, and maintenance of equipment.

Draws up sales or service contract for products or services.

Provides technical training to employees of client.