What are examples of inclined planes in the kitchen?

2 answers

knives
corkscrew
twist-top bottlecaps
coffee bean grinder
food processor
First of all you should know what an inclined plane is:

It is A slanting surface connecting a lower level to a higher level. Things move up or down on it.

Some examples are: Slide, stairs, ramp, escalator, etc.

So a sink would be an inclined plane in a kitchen. Can you think of others?