Stopper (plug)
A stopper is a small object used to seal a container. They are generally used for bottles or test tubes. They are usually made of plastic, rubber, glass or cork. They are also known as bung, a plug or if made of cork, as a cork.
A stopper is a small object used to seal a container. They are generally used for bottles or test tubes. They are usually made of plastic, rubber, glass or cork. They are also known as bung, a plug or if made of cork, as a cork.