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Esimerkit

• Turbines have been around for a long time—windmills and water wheels are early examples. The name comes from the Latin turbo, meaning vortex, and thus the defining property of a turbine is that a fluid or gas turns the blades of a rotor, which is attached to a shaft that can perform useful work.
• The scientists performed several experiments.   It took him only twenty minutes to perform the task.
• She will perform in the play.   The magician performed badly - none of his tricks worked.   The string quartet performed three pieces by Haydn.
• Perform a part thou hast not done before.