CFK: Carbon-fibre-reinforced plastic
GFK: Glass-fibre-reinforced plastic
SFK: SMan-made fibre-reinforced plastic
MFK: Metal-fibre-reinforced plastic
CFK: Carbon-fibre-reinforced plastic
GFK: Glass-fibre-reinforced plastic
SFK: SMan-made fibre-reinforced plastic
MFK: Metal-fibre-reinforced plastic