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en.wikipedia.org/wiki/Test_tube_holder

A test tube holder can be made from wood or metal. It is used for holding a test tube in place when the tube is hot or should not be touched. For example, a test ...

en.wikipedia.org/wiki/Test_tube_rack

Test tube rack is a laboratory equipment that is used to hold upright multiple test tubes at the same time. It is most commonly used when various different ...

teachertech.rice.edu/Participants/louviere/vms/science/labequipment.html

Used to plug a flask or testtube for safe keeping. Test Tube. Used to mix, heat, or store substances. Test Tube Rack. Used to hold test tubes. Test Tube Holder.

www.reference.com/science/function-test-tube-holder-test-tube-rack-76b3488e49553875

A test tube holder's purpose is for holding test tubes in place, but they can also be useful ... They range in different materials, like wood and plastic, as well as their ... There are also many other accessories that are useful when using test tubes.

www.reference.com/science/uses-test-tube-holder-aefeed4421c79efb

Test tube holders are used to distance a person from potentially dangerous tasks when ... What are some examples of laboratory equipment and their functions?

www.reference.com/science/uses-test-tube-rack-63fedfb87f9d763a

Test tube racks are commonly used in laboratories to keep test tubes upright so ... A test tube that is always returned to its rack is less likely to develop chips or ...

www.universalmedicalinc.com/all-products/laboratory/organizers/test-tube-racks.html

Many of the test tube holders are able to sink in water without tipping over the test tubes.Test tube racks are a great tool to have in the lab. Used mainly for ...

www.quora.com/What-is-a-test-tube-holder-used-for

Holding test tubes? ... Holding test tubes? ... What will the weight of test tube be if a paper is inserted into it and it's closed with a cork? And, after the test tube is ...

www.quora.com/What-are-some-common-uses-of-test-tube-holders

Test tubes for general chemical work are usually made of glass, for better resistance to heat and corrosive chemicals and longer life. Tubes made from ...

www.ehow.com/list_6589276_uses-test-tube-holder.html

Test tube holders come in two main types: tongs and racks. ... Since a test tube won't stand on its own, a helper is often needed to carry out an experiment.