Powered : Suspended or supported manned equipment used to provide access to the face of the building for the purpose of construction, maintenance or window cleaning, and which is raised or lowered by powered hoist equipment
Spider, A Division of Safeworks, Glossary of Powered Access & Safety Terms, WA 98188, USA 2004. www.spiderstaging.com, http://www.spiderstaging.com/PDF%20Files/Catalog/A ppendix%20-%20Glossary%20of%20Powered%20Access%20S afety%20Terms.pdf, (Pwr Suspended Access Safeworks in Spiderstaging and Spiderbasket Usage - Amer) {466}