| 11. | Saturday, he was wearing an Army hard hat and smoking a cigarette.
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| 12. | We have a summer symposium now, but everyone has to wear hard hats.
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| 13. | He was flanked by schoolchildren and construction workers in hard hats.
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| 14. | Boxes filled with hard hats and goggles sit in the school entrance hallway.
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| 15. | But fans here are advised to bring a hard hat, just in case.
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| 16. | Hundreds of construction workers in hard hats waved tiny Chinese flags.
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| 17. | The company's line includes hard hats and breathing equipment for firefighters.
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| 18. | And he was holding his hard hat in his hands at the time.
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| 19. | The men used truck batteries to power their hard hat lamps for illumination.
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| 20. | Fumio Takahashi, for one, is beaming heartily under his hard hat.
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