Feeder fish - Wikipedia

Feeder fish is the generic name for certain types of inexpensive fish commonly fed as live prey to captive animals such as sharks, turtles and some other fish, such as oscars.

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California bearing ratio - Wikipedia

The California bearing ratio (CBR) is a penetration test for evaluation of the mechanical strength of natural ground, subgrades and base courses beneath new carriageway construction. It was developed by the California Department of Transportation before World War II.. The basic site test is performed by measuring the pressure required to penetrate soil or aggregate with a plunger of standard area.

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