ME-GI|ME-GA| Difference between Gas injection and Gas Admission Engine|Part-2

what is the Difference between Gas injection pressure Engine and gas admission engine| how it is different|

if you want to watch the Gas engine Introduction Video:
Gas Engine|Type of Gas Engine|Why Gas...

if you want to know about turbocharger, please click on below link:

Turbocharger

if you want to learn about Boiler, please click on below link :

BOILER

if you want to know about Propeller, Please click on the below link:

Propeller Shaft