31:26

Ventilation tutorial for trainee gas engineers PART 1

27:28

Ventilation PART 2

44:42

IGEM/G/II UNSAFE SITUATIONS PROCEDURE. check out the procedure, have a go at the quiz at the end

27:15

GAS SAFETY CONTROLS part 4 looking at zero gas valves, thermistors, and gas meter controls.

12:34

Gas Meter Training

28:58

FLUE FLOW TEST AND SPILLAGE part 2

34:40

ACS GAS TRAINING / CONTROLS | NGCFE

27:48

How to use a flue gas analyser and understand the results PART 1