• Canada
• Ontario
• Grades 1-8
• Grade 8
• Science
• Understanding Structures and Mechanisms, System in action

3.8 describe systems that have improved the productivity of various industries.

Makaralar

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Hidrolik Kaldıraç

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Buharla Çalışan Motor

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Kaldıraç ilkesi

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Dişili ve Zincir Dişli Çarklar

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