Ohcanbohtosat - (("chemical engineer") OR ("chemical engineers"))*

Ozuin - (("chemical engineer") OR ("chemical engineers"))* - eai gávdnon bohtosat.

Sáhtát oažžut lasi bohtosiid go hábmet iežat ohcama.

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