15,000 cm3
A lock on a door knob.
The answer has to be a broom or mop.
It is 90,000 mm
13
30cm is about 12 inches or 1 foot in length
..... If you have a household runway maybe
A standard ruler is typically 30cm long, so an object that is 19.5cm long could be a smaller ruler, a pencil, or a regular sized envelope.
30CM 30CM
30cm is about 11 3/4 inches.
the gullet is 30cm long!
30cm
The gut is 30cm
a vacuum cleaner hose?
15,000 cm3
Look at a ruler, if you don't know....
About 10-30cm :)