1960 1 Usually, the metallic structure is combined with reinforced plastic by jacketing the metallic element with plastic reinforced with glass fibres (hereinafter referred to as GRP).
1989 Nov. 45/4 Power is conducted from the transformer in the base by copper ribbon, laminated in the layers of GRP.
2015 I. Ayre iv. 68/1 Repairing GRP is genuinely easy.