What does "one thousand (kilo) pounds" mean? Since 1000 thousand kilo is 2200 poouns that would look something like a long ton. Is that what you have in mind? C'mon folks, don't you read your stuff before you put it out on the web?

"establishing grad"?

Cement re-enforcement has a few variations.

You can add lots over types of materials for different jobs

Sand rock adhesive water are some things you add to the mix

How do I progress to next lesson?

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Sand rock cement

Good