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4 Cards in this Set
- Front
- Back
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name two methods of stress grading timber? |
meachain stress grading and there is a visual stress |
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what dose this mean for concrete c30 |
this means that it can take a waight of 30 |
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what dose this mean for timber c15 |
this means that is can take a waight up to 15 coniferous |
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what dose this mean for stamped c15 |
this means that it can take up a waight that is 15 deciduous |
