Put your cursor in the Search box next to Keyword then type in a word or phrase which describes your subject, e.g. ergonomic . Click the Search button near the bottom of the screen to start your search. The number of references found will be displayed at the bottom of the screen. Your first search may find too few or too many references. You can broaden or narrow your search by combining search terms in different ways.
Concrete steel finds records which mention both concrete and steel.
The keywords can appear in any part of the record, and in any order. Use this to link terms together and narrow your search. Use this for synonyms and related terms to broaden your search. You can combine two different fields in your search. Concrete Phrase Searching Click on the arrowhead at the right hand end of the Search in box and select Free Text from the pull-down menu.