(a) means a place where a person works below ground for the purpose of—
(i) extracting coal from the earth; or
(ii) processing coal extracted from the earth at that place; and
(b) includes a place in which coal so extracted or processed is washed, crushed, or screened.
Source: Health and Safety in Employment (Mining—Underground) Regulations 1999, SR 1999/331, New Zealand, as of 8 October 1999. Regulations