A lab vessel is a container used in laboratories for various purposes. A pipet is a thin tube used to transfer small amounts of liquid from one container to another. A RETORT is a curved glass tube used to heat substances in a laboratory. A BEAKER is a cylindrical container with a flat bottom, often used to hold liquids. A VIAL is a small container, usually made of glass, used to store and transport samples. An etna is a container with a long neck used to heat substances in a laboratory. A FLASK is a container with a narrow neck, often used to hold chemicals or other substances. An AMPULE is a small sealed glass container used to store and transport liquids. Finally, a testtube is a thin glass tube used to contain and mix small amounts of substances in a laboratory.