Ohcanbohtosat - ((engineering laboratories) OR (engineering laboratory)) bureaus.~
Ozuin - ((engineering laboratories) 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) OR (engineering laboratory)) bureaus.~".
- Joker-mearkkaid geavahemiin sáhtát gávdnat earálágán sátnehámiid: ((engineering laboratories) OR (engineering laboratory)) bureaus.*.