There are 11 players on the field per team during a soccer game. Each team has 10 field players and a goalkeeper. Formations a...
Liquid oxygen is not flammable! It does however support vigorous combustion in anything even remotely flammable (like road tarmac, or human beings). That is because is is very reactive indeed. Being in liquid rather than gaseous form simply increases the concentration & availability of the element.
These are defined by the flammable limits (also called the explosive limits) which are unique for each material. The OSHA Standard 29 CFR 1910.106, Flammable and Combustible Liquids, covers the following items: Tanks and their construction. Piping, valves and fittings.