Employment contracts are an important aspect of the U.S. workforce, given that many companies would outsource some of their workload to contractors who provide the necessary services. Employment contracts vary by company and specific responsibilities, but all must consist of general guidelines. These include the description of the tasks, the duration of the agreement, the nature of the payment and the risks of the contractor carrying out the project. The contractor could also be created to appoint a hierarchical superior responsible for the execution by the workers of the instructions given by the company. and, consequently, the remuneration for the inspection must be paid by the contractor. The provision of food, drinks and refreshments plays a crucial role in staff productivity. .