Ground the water heater by connecting a grounding wire from the electrical service ground terminal to the green grounding screw in the junction box of the water heater.

通过将电气部件上的接地端子连接到热水器接线盒里绿色接地螺丝上，实现热水器的接地。

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You don't preserve an airplane by keeping it on the ground; you preserve it by keeping it in service.

你不应该通过让飞机留在地面来保护它，而应该让它继续服役来保养它。

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Passengers still can't perform multiple tasks simultaneously on their devices or stream video as smoothly as they can on the ground, but they can expect steady improvement in this area as the airlines and Internet service providers work together to improve ground-to-air service.

WSJ: Airlines Promise the Flying Experience Will Get Better

The company is also to discontinue or outsource some of its technical support, ground service and cargo operations.

CNN: Airline SAS cuts 3,000 jobs, announces restructuring plans

The craft made a brief return to service as a ground test vehicle in 1984 before retiring to the Smithsonian's collection in 1985.

CNN: Space shuttle Enterprise flies again