The soda can is made of aluminum.

In their discourse after dinner, they talked about politics.

The hiker followed the contour of the mountain to reach the summit.

I am purely focused on my work.

I received a correspondence from my boss today.

He was able to identify the discrete pieces of the puzzle.

I presume he will be late for the meeting.

The author plans to publish a new book next month.

The engineers developed an efficient algorithm to solve the problem.

The teacher made a correction to my homework.