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Paragraph 4

Original text. Later amendments are not shown.

For the purposes of paragraph 3–

(a)

“powered support” means a support which is advanced and set to the roof by mechanical energy;

(b)

“beam” means that part of a powered support system designed to be set to the roof; and

(c)

“immediate forward support system” means a system of supports designed to be advanced and set to the roof immediately after extraction by a coal-getting machine.