Ohcanbohtosat - (( engineering laboratories bureaus. ) OR ( engineering laboratory bureaus. ))~
Ozuin - (( engineering laboratories bureaus. ) OR ( engineering laboratory bureaus. ))~ - eai gávdnon bohtosat.
Sáhtát oažžut lasi bohtosiid go hábmet iežat ohcama.
- Sánit AND, OR ja NOT sáhttet moivet ohcama; geahččal lasihit aisttonmearkkaid ohcansániid birra: "(( engineering laboratories bureaus. ) OR ( engineering laboratory bureaus. ))~".
- Joker-mearkkaid geavahemiin sáhtát gávdnat earálágán sátnehámiid: (( engineering laboratories bureaus. ) OR ( engineering laboratory bureaus. ))*.