Examlex
As children attempt to solve problems or discover principles, Vygotsky believed that adults can help children learn how to think as well as learn important cultural values when they use
Vacuum Tube
An electronic device used to control the flow of electricity in a vacuum, commonly used in early electronics such as radios and televisions.
Hematoma
A tumor or swelling that contains blood.
Plunger
A tool used to clear blockages in pipes and drains, consisting of a rubber suction cup attached to a stick.
Syringe
A medical instrument used to inject or withdraw fluids from the body.
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