A test tube rack is used to hold test tubes so they don't fall over while you're using them.
A boiling tube is used for boiling a liquid in
It is a rack made of wood or metal used to keep test tupes organized and steady.
According to the American Heritage Dictionary of the English Language, a test tube is a "clear, cylindrical glass tube usually open at one end and rounded at the other, used in laboratory experimentation."A test tube can be used to store chemicals that are dangerous to skin,or be connected to other lab equipment for experiments. In this case, it is usually to collect a useful product.
Glucose Tolerance Test Grey Top Tube.
Red
Test tube holder
Clamping a test tube
to hold the test tube
Test Tube brushes are used to easily clean the test tubes .
A test tube with a red top is used for hcg testing.
use to hold test tube..
a test tube rock is used to measure liquids
A boiling tube is used for boiling a liquid in
A test tube cleaner is used as suggested -- it is used to clean test tubes. It is round, and has a modestly long handle so the bristles can reach the bottom of the test tube being cleaned.
The color of the tube that is most often used for hematology CBC tests are
used to place the test tube . :D hahaha
You need a test tube holder.