point-of-use system Books

  • Operation and Maintenance of Rural Water Supply and Sanitation Systems

    A spiral-bound collection of training materials and activities designed to help planners, managers, and engineers improve water supply and sanitation projects through the better management of their operation and maintenance. Addressed to course facilitators, the manual contains abundant notes, background information, overheads, work sheets, ...

  • API SPEC 12K Standard for Exploration & Production

    This specification covers minimum requirements for the design, fabrication, and shop testing of oilfield indirect type fired heaters used in the production of oil, gas, and their associated fluids. They are usually located at some point on the producing flow-line between the wellhead and pipeline. Heater components covered by this specification ...

  • GEMS Environment Library No. 09: Glaciers and the Environment

    The aim of this publication is to make the knowledge we have gained about glaciers more widely known, and to emphasize the need to develop this knowledge. Glaciology holds one of the keys to our past. It may also hold many to our future.It is difficult to believe in these times of global warming and recurrent drought that the Earth is essentially ...

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