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Islamic Shia Arabic Calligraphy 'Ya Fatima Zahra (sa)'. Sea Blue Floral Frame on White Background.
Simple liquid siphon physics principles. Siphon water from lower level to higher level. Scientific diagram. Physics resources for teachers. Vector illustration isolated on chalkboard.
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Pulley concept. Loading test lift load passenger and cargo elevator using the principle of pulley motion and force relief and the principles of dynamic force and motion of physics theory to applied.
The 4R Principle: Reduce, Reuse, Repair and Recycle for Zero waste. product packaging design, An ecological metaphor for ecological waste management and a sustainable and economical lifestyle.

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