A synthesis reaction or direct combination reaction is one of the most common types of chemical reactions. In a synthesis reaction two or more chemical species combine to form a more complex product.
A design review is a milestone within a product development process whereby a design is evaluated against its requirements in order to verify the outcomes of previous activities and identify issues before committing to-and if need to be re-prioritise-further work.
Design review (U.S. government) In the United States military integrated acquisition lifecycle the Technical section has multiple acquisition Technical Reviews. Technical reviews and audits assist the acquisition and the number and types are tailored to the acquisition.