1.   True the bulldozers had levelled the old town, but not a single foundation or main drain was, as yet, in place.

2.   But most of the water rushes into the bowl and forces the wastes through the trap into the main drain.

3.   If this is what is happening, relocating the sink drain to another spot in the main drain might fix it.

4.   Many older pools have open grates on the main drain.

5.   Most sinks have a U-shaped bend called a trap under the main drain.

6.   The main drain is a single outlet positioned underwater at the deepest part of the pool.

7.   This could happen when large amounts of water are going down the main drain, as from a dishwasher or washing machine that pumps the water out.

8.   What is needed is a drain to link the monsoon drain to a main drain at Jalan Jambu Jembah Satu in Taman Sri Segambut.

9.   But the main drain on government funds is a cradle-to-grave welfare state, generous subisidies and government salaries.