The cathode of this battery is made of copper.

Depopulation is progressing in this area.

He lent his chest to his friend and listened to his worries.

We are conducting training to devise strategies against hypothetical enemies.

He is famous for being a Twitter junkie.

My favorite dessert is castella.

He is doing a special exercise to train his inferior oblique muscle.

She started a special exercise to strengthen the incisivus labii inferioris muscle.

My company manufactures die-casting products.

She experienced customer harassment at the restaurant.