First, absorption helps people by preventing high-energy radiation from reaching the surface which limits our exposure to harmful radiation. The atmosphere absorbs most of the radiation from the ultraviolet region through the X-ray region. The second way in which absorption helps the earth is as a heat source for it.
*lean times (ahead). Fig. a future period of lowered income or revenue; a future period when there will be shortages of goods and suffering. (*Typically: be ~; cause ~; have ~; mean ~ .) The economy is going sour which means lean times ahead.
It focuses on shortening the time that elapses between a customerâs order and the shipment of the product or the provision of the service that fills the order. Lean accomplishes this by eliminating waste from processes, with waste being defined as anything that is not necessary to produce the product or service.