Deddf Iechyd a Diogelwych mewn Gwaith, 1974.
Contributors: Undeb Cenedlaethol Athrawon Cymru.
Publisher: Undeb Cenedlaethol Athrawon Cymru
Published: 1996
Place of publication: Aberystwyth
Subjects: Great Britain.; Labor unions -- Wales.; Teachers' unions -- Wales.; Industrial safety -- Law and legislation -- Wales.; Industrial hygiene -- Law and legislation -- Wales.
Other titles: Health and Safety at Work Act, 1974
Notes: Text in Welsh.