For more than 20 years, PLANT ENGINEERING readers have offered their best ideas on how to solve problems on the plant floor using a little ingenuity and some copper pipe. They do so again with the 2007 edition of Tips & Tricks, the cover story for August. Also in the issue, due out soon: Fighting “electrical pollution,” or harmonics; mixing Lean and green initiatives to forge sustainable practices; and driving asset optimization proactively, as well as Management Side, Automation Connection, Internet Connection, products and more!