Pull up what you need to know Pumps and hydraulic equipment are now used in more facets of industry than ever before. Whether you are a pump operator or you encounter pumps and hydraulic systems t
Based on the most recent standards from ASHRAE, the sixth edition provides complete and up-to-date coverage of all aspects of heating, ventilation, and air conditioning. You'll find the latest load ca
The quantity of numbered minor planets is now approaching half a million. Together with this Addendum, the sixth edition of the Dictionary of Minor Planet Names, which is the IAU's official reference