A barrel for transporting bulk liquids, such as oil. Generally depicted as a red or blue metal drum with holes or a stopper on its lid. Commonly used for various content concerning petroleum or hazardous waste.
Google’s design displays a yellow oil drop symbol. Samsung's design previously featured a yellow hazard sign.
Oil Drum was approved as part of Unicode 7.0 in 2014 and added to Emoji 1.0 in 2015.