First, the pipes will be fed by new wide inlet heads, which slow the water so that fish are not sucked in. And to prevent fish swimming within two metres (6.5ft) of the intakes, the new acoustic system is being tested.
Pakistan bombs Kabul in 'open war' on Afghanistan's Taliban government
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For UNSAT problems with 10 variables and 200 clauses, it always claimed that the formula is SAT and made up assignments (See this example).