Which is the odd one out as a raw material?
Traducción: Cuál no es una materia prima?
Opción 1
glassware
Opción 2
tree trunk
Opción 3
petroleum
Opción 4
sand
Right!, glassware is not a raw material
a tree trunk is a raw material
petroleum is a raw material
sand is a raw material
Which is the odd one out as a technical material?
Traducción: Cual no es un material técnico?
table
steel
wood
plastic
Right!, a table is a manufactured goods.
steel is a technical material
wood is a technical material
plastic is a technical material