Ohcanbohtosat - "(water OR walter) (construction" OR conservation")*
Ozuin - "(water OR walter) (construction" OR conservation")* - eai gávdnon bohtosat.
Gánnáha geahččalit iešguđetlágán čállinhámiid:
- conservation" »
Sáhtát oažžut lasi bohtosiid go hábmet iežat ohcama.
- Seđđon ohcamiin sáhttet gávdnot ohcanbohtosat, main leat seammasullasaš sánit: "(water OR walter) (construction" OR conservation")~.
- Sánit AND, OR ja NOT sáhttet moivet ohcama; geahččal lasihit aisttonmearkkaid ohcansániid birra: "\"(water OR walter) (construction\" OR conservation\")*".
- Sáhtát oažžut eanet bohtosiid go sihkut aisttonmearkkaid: (water OR walter) (construction OR conservation )*.