To shield a room against incoming sound requires reducing sound reception.

Dental implants don't require reducing other teeth, as a tooth-supported bridge does.

A closer partnership with Mexico will require reducing tensions over immigration and illicit drugs.

When rotating on either one leg or two, the body requires reducing friction.

Stopping inflation will require reducing the huge military expenditures and the subsidies for civilian goods.

And that requires reducing the obstacles of fear.

That would require reducing Japanese savings, increasing domestic spending or some combination of the two.

It requires reducing freshwater and groundwater usage in all sectors of consumption.

It has become clear to most Americans that maintaining our national security will require reducing our dependence on foreign oil.

Getting there is a long-term challenge that will require reducing what it pays for auto parts, health care, pension and other expenses.