Multi- Component Gas Mixtures are as the name suggests perfect blend or mixture of many gases. Different gases involved in the mixture are calibration gas, Nitric Oxide, Nitrogen, Carbon monoxide, oxygen, Methane, and Nitrogen. The percentage in which each of these gases are present is also different in proportion. These are packed in cylinders that are well painted and made rust proof and also the top of these cylinders are affixed by nozzles which relates the pressure of the enstored gas on pressing the nozzle. The color of these cylinders in which Multi-Component Gas Mixtures are delivered is white with the neck painted in yellow or red.