Manual Material Handling (Mmh) : Any handling task involving the human body as the main "power source". MMH includes lifting, lowering, pushing, pulling, carrying and holding
Association of Canadian Ergonomists/ Association Canadienne d'Ergonomie (ACE), Ergonomics Glossary, NW, Canada 2014. http://www.ace-ergocanada.ca/index.php?contentid=2 45, (Ergo - Amer) {740}