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.
b a difficult responsibility there s a lot of work to be done and you have to carry bear your share of the load you have to do your share of the work i wish there were some way i could help lift this load weight burden from his shoulders the company is trying to reduce its debt load the amount of money that it owes