books.google.by - Just published in its updated fourth edition, this highly regarded text explains in clear terms how and why the best-of-class pump users are consistently achieving superior run lengths, low maintenance expenditures, and unexcelled safety and reliability. Written by practicing engineers whose working...https://books.google.by/books/about/Pump_User_s_Handbook_Life_Extension_Four.html?hl=ru&id=6TZSCAAAQBAJ&utm_source=gb-gplus-sharePump User's Handbook: Life Extension, Fourth Edition