Building Up the Molten Weld Pool Before It Is Ended

question 2

Short Answer

Building up the molten weld pool before it is ended will help prevent crater ____________________.

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Definitions:

Known

Information or facts that are recognized or established.

Oil Shale

A fine-grained sedimentary rock containing organic matter, known as kerogen, that can be converted into oil through heating.

Oil and Gas

Naturally occurring hydrocarbons found in geological formations beneath the Earth's surface, used as fuel and in chemical production.

Coal

A combustible black or brownish-black sedimentary rock formed from plant remains, primarily consisting of carbon and used as a fossil fuel.