Scientists need to be sure that when the big hammer tool turns in a rock it breaks the surface into a useable powder that will not clog or damage the sample handling mechanism.

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Their service is a tool, like a hammer, and no matter what your business does or needs, to them it will always look like a nail.

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Curiosity is building towards using its hammer-drill, the last major tool yet to be deployed on the mission.

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Those living in flood-prone areas might want to consider carrying a small hammer or specific car window-breaking tool in the glove compartment for this purpose.

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If the only policy tool you have left is the hammer of printing money, then the world looks like a nail.

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Ms Watt said Mr Parker relayed to her that he had seen a tool roll in the upstairs area of his property, which had a chisel and a hammer inside.

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