Oleum is a very dangerous chemical, and it requires great caution when handling.

Please throw the leftover food in the triangular sink basket in the kitchen.

Sodium carbonate is often used in the manufacture of detergents and glass.

Carbonate of soda is a versatile substance that can be used for laundry and cleaning.

I made an appointment at the department of obstetrics and gynecology for tomorrow.

Akogare was always gazing into the distance, as if longing for something.

Paulownia was his favorite tree.

I like to add string beans to my salad.

My son participates in judo practice every day.

My younger brother is diligently practicing Taekwondo every day.