noun a product of the steel industry used in making beams, large ships, pipelines, oil platforms and the like. Ranging in thickness from about 3-4mm up to 253mm, can be difficult to produce due to variety of chemical compositions and operator skill.
... and he really fucked up the last rolling of 5mm plate when he used the wrong trim for the roll gap and it cobbled into the thickness gauge.
A section of the crust of the earth, which is cracked. Each plate moves slowly over a very viscous thick liquid called the mantle, which itself covers a liquid metal core and solid inner core, mostly made of iron and nickle. These plates are called "tectonic" plates. These types of plates may make contact with each other in various ways to cause earthquakes and form volcanoes, trenches and mountains.