11 months ago

Everyone has been to a pool area at least more than once in our lifetime.

All of us have been to a pool area at least more than once in our lifetime. I am sure you have seen the drains around the perimeter of the swimming pools.

Water in a swimming pool should be constantly circulated through a filtering syste read more...



11 months ago

Subject to where you are from, different countries have different terms for "storm drain".

Depending on where you are from, different countries have different terms for "storm drain".

Accordingly to Wikipedia, a storm drain is actually a tunnel that carry runoffs (rain) from urban areas. For a layman, it helps to think along th read more...



11 months ago

Going back as far as the Roman times, in ancient Rome Man has started using stone to cover up drain covers.

The layman term for drain cover (grate) is manhole cover. Say "manhole cover" and pictures of spies/heros making use of the underground sewage system popping out of manhole cover in Hollywood films appear.

Historically from the time that read more...