I organized the cables using cable ties.

He chose that method against his will.

He is a person with a strong heart.

He finished the job in slightly more than an hour.

Tsuyoshi is my best friend.

He is a very strong person.

His strength comes from his mental power.

Have you seen my hair elastic?

We played with an inflatable boat in the sea.

The reason why water droplets become round is due to surface tension.