Heater
1Build a Better Mousetrap. Make Classic Inventions, Discover Your Problem-Solving Genius, and Take the Inventor's Challenge , Ruth Kassinger
Discover the secrets behind some amazing inventions! Through observation, experimentation, and perseverance, humans through the ages have managed to solve a whole array of perplexing problems. These… 1485.68 руб электронная книга2Process Engineering for a Small Planet. How to Reuse, Re-Purpose, and Retrofit Existing Process Equipment , Norman Lieberman P.
Methods for more planet-friendly process engineering Our earth is just one big, complex Process Facility with limited air, water, and mineral resources. It responds to a number of process… 7644.74 руб электронная книга