| 31. | In a threaded plumbing system, plugs have male threads.
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| 32. | Networking companies, whose mecca is the Bay Area, are the plumbing systems that link computers together.
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| 33. | The immediate causes are the same ones that would boost the pressure in any plumbing system.
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| 34. | Older plumbing systems may still have lead soldering.
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| 35. | They used lead widely in plumbing systems for domestic and public supply, such as feeding thermae.
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| 36. | What we have here is the linchpin of the plumbing system for the state of California.
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| 37. | "We're imaging the plumbing system of the earth,"
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| 38. | The company constructs and services mechanical and electrical systems such as power, lighting and plumbing systems.
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| 39. | Plumbing fixtures are exchangeable devices using water that can be connected to a building's plumbing system.
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| 40. | Norwalk, Connecticut-based Emcor constructs and services mechanical and electrical systems such as power, lighting and plumbing systems.
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