It is proposed to apply automatic glazing and sanding machine and improve spray process for precaution against hand spraying related defects.

为了克服人工喷釉的缺陷，提出了使用自动上釉上砂机和改进喷涂方式的设想。

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With one hand on the handle bar, he fired the spray.

他一只手按在把手上，打开了喷雾剂。

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Instinctively, Mike's hand reached for the small canister on his belt. "We use pepper spray, " he said.

麦克的手本能地伸向系在腰带上的一个小罐，“我们用辣椒水，”他说，“但一定要喷在它们的眼睛里，它们喜欢吃红辣椒。”

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Workers are using hand-operated pumps to spray pesticides to kill the caterpillars, but others quickly return.

VOA: special.2009.01.27

Rubbish and graffiti often go hand-in-hand but spray painting pavements could stop people littering - at least that is the theory a Cardiff student is putting to the test.

BBC: Footprint art on pavements to tackle litter problem

It will be standing room only on the Capitol grounds -- the Secret Service says no lawn chairs, nor umbrellas or signs will be allowed -- and the lengthy list of banned items includes aerosol spray, air horns, coolers, glass, hand tools, laser pointers, pepper spray, strollers, and thermoses.

CNN: Inauguration brings different kind of gridlock to D.C.

Given how much elbow grease is needed to hand-wax a car, it seems unlikely that a few seconds of a spray of wax would do much good.

WSJ: Me & My Car: Is It Better to Buy a Used Car Rather Than New?