|
BOS 192: 2006
Chalk writing boards for schools – Specification
This specification covers chalk writing boards made from metal, hardboard, composite board, plywood or high-pressure laminated board or a combination of these. It covers two classes of writing surface and four types of construction as well as boards with ruled writing surfaces and with chalk rails.
Pages: 15
CurrentStage: 60.60
ICS: 85.080 |