Unit Nine
Making definitions
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Metals |
Plastics |
Woods |
Textiles |
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ferrous |
non-ferrous |
thermosetting |
thermoplastics |
natural |
manmade |
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acrylic, mild steel, pine, mahogany, oak, threads, polythene, aluminium, stainless steel, wrought iron, copper, brass, polyester resin, melamine formaldehyde, polyvinyl chloride (PVC), fabric, dyes, silk, wool, cotton, chipboard, plywood
Now you are going to read an article about KEVLAR® . Read the text in the “KEVLAR” quiz and answer the questions.
After that, listen to the recording in “Material properties” quiz. You will hear some definitions. Put the material properties in the correct order. Practice your pronunciations listen to the words in the “Pronunciation” quiz and repeat.
Then, study the language used for making definitions in the box bellow and complete the “Properties” matching quiz.
Making definitions: Relative clauses
Defining relative clause:
Kevlar® is a liquid that is converted into fibres (called aramid fibres). (you can also use which)
Kevlar® is a liquid. It is converted into fibres (called aramid fibres).
Finally, go to the “Definitions” forum. Make your own definitions for the words below (explain them). Use defining relative clauses.
composite __________________________________________________________________
alloy ______________________________________________________________________
lightweight _________________________________________________________________
manmade __________________________________________________________________
thermosetting plastics ________________________________________________________
ferrous metals ______________________________________________________________