|
Pregunta
|
Respuesta correcta
|
what matrial can be melted and transformed into any form :
|
thermoplastic |
what tipe of material is used to do the compresion moulding :
|
plastic |
|
Pregunta
|
Respuesta correcta
|
from what is made the glass :
|
sand,soda,limeston |
what are the properties of the marble :
|
strong,high density, variable colours |
for what material is used the blow moulding :
|
plastics |
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