HOW TO USE THE DICTIONARY OF TECHNICAL TERMS
(1) Start at the left side
    Make a selection (technical terms are in blue below)...
    (a) What is the name of the structure............................(a multiplicity of resilient bristles)
    (b) Where is the structure relative to the body..............(on its upper surface)  
    (c) How are the structures connected together.............(attached)
    (d) What is the means of the connection.......................(fixed or stationary)

(2) The catagories for your selection appears on top
    Make your selction...

(3) The list of words with definitions appear at the bottom

(4) The claim for the toothbrush
a multiplicity of resilient bristles attached to the upper surface of the body