It is the best to put a rubber layer on the work table.

最好在工作台上铺橡胶涂层。

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The middle layer is preferably made of a synthetic rubber layer.

中间层优选由合成橡胶层制成。

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A top layer is coextensive with and secured to the first side of the synthetic rubber layer.

顶层与合成橡胶层的第一侧同延并固定到该第一侧。

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Technicians called "goopers" spray on a quarter-inch layer of rubber, providing more softness and pliability.

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When you press a key on these models, its underside squishes through a layer of rubber that touches a circuit board.

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"A little layer of rubber -- it will protect you from a stone or a glass, but a nail could puncture that, " Thompson said.

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