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.
The term burden of proof is used to mean two kinds of burdens: The burden of production (or the burden of going forward with the evidence) and the burden of persuasion. A burden of persuasion or risk of nonpersuasion is an obligation that remains on a single party for the duration of the court proceeding.