This illustration shows how light enters a reflector telescope. Optical telescopes allow us to see further; they are able to collect and focus more light from distant objects than our eyes can alone. This is achieved by refracting or reflecting the light using lenses or mirrors.
Labor burden is the actual cost of a company to have an employee, aside from the salary the employee earns. Labor burden costs include benefits that a company must, or chooses to, pay for employees included on their payroll.
Factory overhead, also called manufacturing overhead or factory burden, is the total cost involved in operating all production facilities of a manufacturing business.t generally applies to indirect labor and indirect cost, it also includes all costs involved in manufacturing with the exception of the cost of raw materials and direct labor. Factory overhead also includes certain costs such as quality assurance costs, cleanup costs, and property insurance premiums.