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2. Tube (container) - Wikipedia

   en.wikipedia.org/wiki/Tube_(container)

   A tube, squeeze tube, or collapsible tube is a collapsible package which can be used for viscous liquids such as toothpaste, artist's paint, adhesive, caulk, & ointments. Basically, a tube is a cylindrical , hollow piece with a round or oval profile, made of plastic , paperboard , aluminum , or other metal.

3. Shipping tube - Wikipedia

   en.wikipedia.org/wiki/Shipping_tube

   A heavy duty composite paper tube. The layers of spiral-wound paper used in its construction are visible. This type of heavy tube is also used as a core for wrapping roll goods. Long corrugated box, square cross section Paperboard tubes. A shipping tube, mailing tube, or cardboard tube is a shipping container used to ship long items. It is ...

4. Tub (container) - Wikipedia

   en.wikipedia.org/wiki/Tub_(container)

   A tub is an open-top circular or oblong container. In earlier times they were made from wooden staves held together with iron hoops and were made by coopers . Modern tubs used in industry might be made from concrete, metal or plastic.

5. Vacutainer - Wikipedia

   en.wikipedia.org/wiki/Vacutainer

   A vacutainer blood collection tube is a sterile glass or plastic test tube with a colored rubber stopper creating a vacuum seal inside of the tube, facilitating the drawing of a predetermined volume of liquid. Vacutainer tubes may contain additives designed to stabilize and preserve the specimen prior to analytical testing.

6. Meniscus (liquid) - Wikipedia

   en.wikipedia.org/wiki/Meniscus_(liquid)

   When a tube of a narrow bore, often called a capillary tube, is dipped into a liquid and the liquid wets the tube (with zero contact angle), the liquid surface inside the tube forms a concave meniscus, which is a virtually spherical surface having the same radius, r, as the inside of the tube. The tube experiences a downward force of magnitude ...

7. Pneumatic tube - Wikipedia

   en.wikipedia.org/wiki/Pneumatic_tube

   A pneumatic tube system in Washington, D.C., in 1943. Pneumatic tubes (or capsule pipelines, also known as pneumatic tube transport or PTT) are systems that propel cylindrical containers through networks of tubes by compressed air or by partial vacuum. They are used for transporting solid objects, as opposed to conventional pipelines which ...

8. AOL Mail

   mail.aol.com/d?reason=invalid_cred

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

9. Test tube - Wikipedia

   en.wikipedia.org/wiki/Test_tube

   The long, narrow neck of test tube slows down the spreading of gases to the environment. Test tubes are convenient containers for heating small amounts of liquids or solids with a Bunsen burner or alcohol burner. The tube is usually held by its neck with a clamp or tongs. By tilting the tube, the bottom can be heated to hundreds of degrees in ...