insulate
131Bipropellant rocket — A bipropellant rocket engine is a rocket engine that uses two propellants (very often liquid propellants) which are kept separately prior to reacting to form a hot gas to be used for propulsion.In contrast, most solid rockets have single solid… …
132Abstract factory pattern — The abstract factory pattern is a software design pattern that provides a way to encapsulate a group of individual factories that have a common theme. In normal usage, the client software creates a concrete implementation of the abstract factory… …
