Part 1 Of 3 Heat Pump Refrigeration Cycle Explained With 4 Port Reversing Valve 857.81 KB 1:01 Play Download
How To Solder Tiny Qfn Components Using A Preheater And What To Do When It All Goes Horribly Wrong 7.76 MB 29:25 Play Download
How To Make An Adjustable Split Heat Pump Freezing Air Conditioner 40c To 50c Save Your Money 10.82 MB 13:08 Play Download
