Minerals and products of their processing - 12 samples sunk into the material

MACHINE TRANSLATION (not authorised yet)

Annually, 12 samples showing different minerals and their processing products are sunk into a transparent plastic block:

1 - crude oil

2 - synthetic detergent

3 - plastic

4 - cure

5 - rubber

6 - fibre/synthetic power

7 - aluminum ore

8 - aluminum

9 - copper ore

10 - copper

11 - iron ore

12 - steel (iron and carbon alloy)

Block wrapped in a bubble pocket and placed in a lockable cardboard box. Teaching aid dimensions: 14 x 6.5 x 1.8 cm.