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.
A test tube brush is a brush that cleans up your test tube when it is wet or messy.
A test tube brush is used to easily clean the inside of a test tube.
A test tube brush is a couple of wires spun together with bristles on one end in the shape of a test tube. They come in all different sizes and materials for all different size test tubes and uses.
It is a brush that is long and narrow and used to clean the inside of glassware, in particular test tubes.
used for cleaning the bottom and inner side of the test tubes
a brush that cleans the beaker and a brush that cleans a test tube.
It cleans test tubes?
it is used to clean test tubes!!^^,
To clean inside test-tubes properly. If it didn't exist it would have to be invented.
when was test tube first made,when and who?
test tube is classified in to various types namely hard test tube ,boiler test tube,20 ml test tube
It is a lab safety supply. It is used to clean the inside of a graduated cylinder after it is used. A graduated cylinder is basically a test tube with markings indicating the volume of the matter in the tube.
A test tube (or sample tube) has no errors.
Test tube brush=use for cleaning test tubes
A test tube brush is a brush that cleans up your test tube when it is wet or messy.A test tube brush is used to easily clean the inside of a test tube.A test tube brush is a couple of wires spun together with bristles on one end in the shape of a test tube. They come in all different sizes and materials for all different size test tubes and uses.
A test tube brush is a long thin brush with an extended handle. It is made for cleaning the thin tubes.
A thin, long brush called a 'test-tube brush'.
Test Tube brushes are used to easily clean the test tubes .
Test tube brush
Usually a test tube brush is used or if it is small, a pipe cleaner.
Test tube cleaner is also called a test tube brush. It is use to clean the test tubes. Specifically, the inside part of it.
To help clean used test tubes.
You should use a test brush and a cleaning substance.
SHUNGA ka? PBB TEENS? :D
To clean inside test-tubes properly. If it didn't exist it would have to be invented.