This job is in the field of finance and commerce. Issues related to obtaining a customer order regarding the items in question, presenting explanations on the materials in the merchandise. Encouraging the customer to purchase, issue the invoice and prepare the materials for delivery to the customer, layout of the goods in the merchandise, paying attention to it. They are designed and embedded in their volume and facilities, and eventually the delivery of the sold materials is a set of tasks for this job. The job is related to jobs such as construction contractors, civil engineers, construction architects, construction workers. This training course is equal to 50 training hours.