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.
What Does it Mean to be Lean? Lean manufacturing, often simply referred to as âleanâ, is a systematic method for the elimination of waste during the creative and production process. Lean encompasses every element of waste such as overburden and unevenness in workload. It seeks to work from the perspective of the end user who consumes a product or service ensuring the best value.