boiler breathing
21Internal combustion engine — The internal combustion engine is an engine in which the combustion of a fuel (normally a fossil fuel) occurs with an oxidizer (usually air) in a combustion chamber. In an internal combustion engine, the expansion of the high temperature and high …
22List of United States Navy ratings — From left to right: a Special Warfare Operator 1st Class and a Boatswain s Mate 2nd Class. United States Navy ratings are general occupations that consist of specific skills and abilities. Each naval rating has its own specialty badge, which is… …
23Ravnica (plane) — In the card game , Ravnica is the setting for , Guildpact, and , collectively known as the Ravnica block.Ravnica is a , whose primary planet is covered by continuous, sprawling cityscape. This plane is separated from others in the multiverse,… …
24Fantasmic! — Infobox Disney ride name=Fantasmic park=Disneyland land=Frontierland designer= manufacturer= type=Fireworks and Hydrotechnic Show theme=The Heroes and Villains of Disney control system=SMPTE Timecode propulsion= soft opened= opened=May 13, 1992… …
25Pounds per square inch — A pressure gauge reading in psi (red scale) and kPa (black scale) The pound per square inch or, more accurately, pound force per square inch (symbol: psi or lbf/in2 or lbf/in2 or lbf/sq in or lbf/sq in) is a unit of pressure or of… …
26Occupational asthma — is an occupational condition defined as: a disease characterized by variable airflow limitation and/or airway hyper responsiveness due to causes and conditions attributable to a particular occupational environment and not stimuli encountered… …
27Ictineo II — was a pioneering submarine launched in 1864 by Spanish inventor Narcís Monturiol i Estarriol, and was the first combustion engine driven submarine, propelled by an early form of air independent propulsion. It was also the first submarine to… …
28List of Marvel Family enemies — Through his adventures, Fawcett Comics/DC Comics superhero Captain Marvel and his Marvel Family gained a host of enemies, including the following: Contents 1 Acrobat 2 Adolf Hitler 3 Amoeba Family …
29Kaiping Tramway and Imperial Railways of North China — Often described as China’s first railway, the first standard gauge railway to be built and survive in China was the Kaiping (開平) colliery tramway located at Tongshan in Hebei province[1]. This was not, however, truly the first railway in China.… …
30Home cinema — Basic home theater made up of a home entertainment system consisting of large screen LCD television and a DVD player, (and a Blu ray Disc capable PlayStation 3 game console). Home cinema, also commonly called home theater, are home entertainment… …
