Types of Pipes. Pipes come in several types and sizes. They can be divided into three main categories: metallic pipes, cement pipes and plastic pipes. Metallic pipes include steel pipes, galvanised iron pipes and cast iron pipes. Cement pipes include concrete cement pipes and asbestos cement pipes.
error of omissionnoun [ C ] uk â us â. âº a mistake that consists of not doing something you should have done, or not including something such as an amount or fact that should be included: Errors of omission are likely to be more common than errors of commission.
Alfred Hitchcock. Arguably the most glaring Oscar omission was the iconic British director of numerous masterpieces including Rear Window, Vertigo and Psycho. The Academy tried to atone with an honorary gong for Hitchcock in 1968, but the frequent snubs were more jarring than a certain shower scene.