1.   By wide agreement, they are a serious drain on the economy, and their huge debts imperil the banking system.

2.   This is a serious drain in many regions where freshwater is scarce.

3.   About three-quarters of the enterprises are in debt, and the growing losses are a serious drain on the state budget.

4.   But the leadership still has to account for the relative inefficiencies of their many state-owned corporations that are a serious drain to precious financial resources.

5.   With serious drains on the grid, the government Tuesday announced rationing of electricity.