We need new supports to maintain the stability of this building.

She gave me a handmade gift.

Using punctuation marks correctly is important for understanding sentences.

What is this solid made of?

There are sediments at the bottom of this lake that have accumulated over centuries.

What is this mixture made of?

This structure was built centuries ago.

This is the souvenir I brought back from my trip.

My favorite mode of transportation is the train.

His art style is unique, it's neither fish nor fowl.