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.

Seđđon ohcamiin sáhttet gávdnot ohcanbohtosat, main leat seammasullasaš sánit: (("engineering laboratories bureaus.") OR ("engineering laboratory bureaus."))~.
Sánit AND, OR ja NOT sáhttet moivet ohcama; geahččal lasihit aisttonmearkkaid ohcansániid birra: "((\"engineering laboratories bureaus.\") OR (\"engineering laboratory bureaus.\"))*".
Sáhtát oažžut eanet bohtosiid go sihkut aisttonmearkkaid: (( engineering laboratories bureaus. ) OR ( engineering laboratory bureaus. ))*.