SPF
Navdêr
biguhêreSPF (jimarbar û nejimarbar, forma pirjimar SPFs)
- Kurtkirina sun protection factor.
- Kurtkirina single point of failure.
- Kurtkirina spray polyurethane foam.
- Kurtkirina spruce-pine-fir., mixed softwood timber
Serenav
biguhêreSPF
- (înternet) Kurtkirina Sender Policy Framework.