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 ))".
- Joker-mearkkaid geavahemiin sáhtát gávdnat earálágán sátnehámiid: (( chemical engineer ) OR ( chemical engineers ))*.