Ohcanbohtosat - (environmental OR environment) prevention oceania (planning. OR landing. )~
Ozuin - (environmental OR environment) prevention oceania (planning. OR landing. )~ - eai gávdnon bohtosat.
Gánnáha geahččalit iešguđetlágán čállinhámiid:
- prevention oceania »
Sáhtát oažžut lasi bohtosiid go hábmet iežat ohcama.
- Sánit AND, OR ja NOT sáhttet moivet ohcama; geahččal lasihit aisttonmearkkaid ohcansániid birra: "(environmental OR environment) prevention oceania (planning. OR landing. )~".
- Joker-mearkkaid geavahemiin sáhtát gávdnat earálágán sátnehámiid: (environmental OR environment) prevention oceania (planning. OR landing. )*.