Yokka Stars

134. Solving a chemistry problem

134. Solving a chemistry problem

Seller: Derkach

Price: 1.20 USD

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Product description

  • Why in the production of concretes it is prohibited to use sea-

pebble or crushed stone from slate?

Additional information

If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.