2 years ago

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

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 images of spies/heros using the underground sewage sy read more...

2 years ago

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

Going back as far as the Roman times, in ancient Rome Man has started using stone to protect 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 read more...