Knowledge: The famous baker Paul Hollywood listed the flour sifter as the most important tool used for baking cakes. However, one piece of equipment that is often considered indispensable for various gardening tasks is the "hand trowel."

Conversation:
I like Gardening, even when I've only been doing it for a short time.
Oh interesting!  Many people find gardening relaxing.
Yes.  I wonder, generally speaking, what kind of gardens there are?
Oh gosh, there are alls sorts of gardens, like fruit orchards, lawns, plants grown in containers, boulevard plantings, and even indoor plants!
Oh cool.  Have you ever heard of forest gardening?
I have!  It's the oldest type of gardening in the world.  It's a forest-based system, producing food.
What type of tool is used for gardening?

Response: One piece of equipment that is often considered indispensable for various gardening tasks is the "hand trowel."