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Image of a digital display of a variable speed drive inverter for controlling motor speed. Frequency converter.
Fixed vs. Variable Interest Rates – Loan Comparison Illustrated with Bank Rates, Mortgage Planning, and Borrowing Strategies | Personal Finance and Banking Vector Design
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Text Variable on wooden blocks on white background
The VVT-i system (Variable Valve Timing intelligent — valve timing changes).A new VVT-I valve is in the hands of an auto mechanic. A specialist checks the serviceability of a new spare part.

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