A row of vials or test tubes on top of a table.

Vials Or Test Tubes On A Table

Three laboratory test tubes in graduated sizes.

Test Tubes

Three test tube samples on a rack, all filled with the same amount of liquid.

An opened suitcase with test tubes standing up inside.

A computer monitor and test tubes on a desk.

Two test tubes with liquid and a warning icon of an exclamation mark inside a triangle.

Three test tubes on a rack, all with dots indicating different amounts of liquid inside.

Three test tubes or chemical vials filled with different amounts of liquids on a holder, facing side.