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The primary sewer in Rome was the Cloaca Maxima; construction began on it in the sixth century BCE and it is still in use today. Hominids started using primitive stone tools millions of years ago. The earliest stone tools were little more than a fractured rock, but approximately 75,000 years ago, pressure flaking provided a way to make much finer work. This article is about the use and knowledge of techniques and processes for producing goods and services. Continuing improvements led to the furnace and bellows and provided, for the first time, the ability to smelt and forge gold, copper, silver, and lead – native metals found in relatively pure form in nature. The advantages of copper tools over stone, bone, and wooden tools were quickly apparent to early humans, and native copper was probably used from near the beginning of Neolithic times . Native copper does not naturally occur in large amounts, but copper ores are quite common and some of them produce metal easily when burned in

Technology is often considered too narrowly; according to Hughes, "Technology is a creative process involving human ingenuity". Generally, technicism is the belief in the utility of technology for improving human societies. Some, such as Stephen V. Monsma, connect these ideas to the abdication of religion as a higher moral authority. The use of the term "technology" has changed significantly over the last 200 years. Before the 20th century, the term was uncommon in English, and it was used either to refer to the description or study of the useful arts or to allude to technical education, as in the Massachusetts Institute of Technology . Technology In Depth I think there are encouraging developments in technology that are permitting developed countries to 'do more with less', and increasing incentives to do so. The fast pace of technology presents enormous implications for sustainable business development. Satellite technology offers the opportunity, as