1. First, you need to prepare a simple can opener, as shown in the figure.

2. Then take out the sweet corn kernels from the tin bottle for later use, as shown in the figure.

3. Next, as shown in the figure, clip the can opener slot into the top of the tin bottle.

4. Next, press the blade of the can opener and cut the lid of the tin bottle step by step, as shown in the figure.

5. Finally, open the sweet corn kernels in the tin bottle, as shown below.