Последние добавленные видео:
קשיות
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4 years ago
9054 4 years ago 4:37תכונות חומרים קשיות
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2 months ago
15192 2 months ago 3:25Shloime Bernstein - Kashes | שלומי ברנשטיין - קושיות
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12 years ago
603789 12 years ago 2:30Rockwell Hardness Test
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5 years ago
211748 5 years ago 2:21The Mohs Scale of Hardness Explained
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12 years ago
63799 12 years ago 1:38What is hardness?
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9 years ago
1594 9 years ago 8:36הרכבת קשיות - Railway Hardness
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3 years ago
24421 3 years ago 3:31Water Hardness 101
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3 years ago
22821 3 years ago 4:35Hardness of Materials | The Scratch Test | Science Experiment
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3 years ago
19779 3 years ago 2:41Testing the Hardness of Materials
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12 years ago
813348 12 years ago 3:06Brinell Hardness Test
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5 years ago
36171 5 years ago 9:38What is Mohs' HARDNESS Scale?
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8 months ago
4640 8 months ago 12:36How hard should the steel of your knife be? Rockwell hardness? Have you heard of it?
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1 year ago
14176 1 year ago 17:04Hardness Testing Rocks // Using the Moh's Hardness Test Kit
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13 years ago
157067 13 years ago 3:02בודקי קשיות חוף