How was the falaj built​

Shafts are built at a 20-metre distance along the tunnel. They also have a ring of burnt clay that removes debris and helps in ventilation. The ring protects the channel from destruction in case the tunnel collapses and also prevents the falaj from flooding.

affirmative action refers to the policies that take gender, race, or ethnicity into account in order to promote equal opportunity.

employers subject to title vii are prohibited from taking race or sex into account in any employment decisions. aa is a penalty for having any job group substantially statistically "underutilized" in any race or either sex. the employer must take steps to eliminate the underutilization, then stop, ending its aa efforts

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