Industrial, medical, and food-grade gases touch our lives in many ways. Carbon dioxide (CO2) cylinders are ubiquitous - we use them under our sink to carbonate tap water, they are present in fast-food restaurant chains for soft drinks dispense and there will inevitably be. a few cylinders in the cellar of your favourite sports bar or pub to put bubbles in your beer. Food or beverage-grade carbon dioxide is produced to be safe for human consumption. But, if one of those gas cylinders should develop a
展开▼
