|
Pregunta
|
Respuesta correcta
|
Which of this are thermoplastics :
|
PVC |
Which of this is NOT a property of elastomers :
|
hardness |
|
Pregunta
|
Respuesta correcta
|
Which of this is NOT a property of wood :
|
Non-Resistance |
Which of this is NOT a property of thermoset plastics :
|
non permanent |
Which of these is a property of glass :
|
transparent |
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