Ohcanbohtosat - (( engineering laboratory bureaus. ) OR ( engineering laboratories bureaus. ))*
Ozuin - (( engineering laboratory bureaus. ) OR ( engineering laboratories bureaus. ))* - eai gávdnon bohtosat.
Sáhtát oažžut lasi bohtosiid go hábmet iežat ohcama.
- Seđđon ohcamiin sáhttet gávdnot ohcanbohtosat, main leat seammasullasaš sánit: (( engineering laboratory bureaus. ) OR ( engineering laboratories bureaus. ))~.
- Sánit AND, OR ja NOT sáhttet moivet ohcama; geahččal lasihit aisttonmearkkaid ohcansániid birra: "(( engineering laboratory bureaus. ) OR ( engineering laboratories bureaus. ))*".