Following the customs of the time, they celebrated the festival.

During rush hour, the trains are very crowded.

This juice contains preservatives.

Antibiotics don't work for colds, so rest is the best.

I use bleach to wash my white shirts.

I received treatment using an anesthetic at the dentist.

I decided to take a painkiller because I have a severe headache.

This lunch box includes a refrigerant.

It's my habit to take vitamin pills every day.

This germicide can kill 99.9% of bacteria.