How to pronounce “keg”(verb) in English

Brewers calibrate our world in barrels because that's how we pay taxes and that's why a keg is called a half barreluh that keg up there is 15.5 gallons so a barrel of beer is 31 gallons so the average Brewing System is about 300gallons or 10 barrels for a restaurant Brewery and mine was 10 gallons or 130th uh the size as far as what I could yield