Because of this, Weiner said, three-dimensional letters and Numbers, perhaps made out of plastic or clay, help a dyslexic child grasp the shapes better.

正因如此，Weiner说，用塑料和粘土制造的三维的字母和数字，将能够帮助难语症儿童更好的领会那些形状。

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The nameplates shall consist of letters and numbers engraved on a laminated thermosetting plastic material providing black letters and numbers on a white background.

铭牌应包括字母和数字，刻于热固性塑胶材料薄板之上，提供白色背景上黑色字母和数字。

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The realization of the letters on the surface of the walls was made possible by the positioning of plastic matrices onto those surfaces.

在墙壁表面的字母是由塑料模具定位到这些表面来实现的。

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Some confused the wrapping machines for mailboxes and inserted letters in the slit that the plastic came out of.

WSJ: To Meet the Biggest Wrap Stars, Stroll Through the Miami Airport

Pigment in millions of bubbles moving around in this way create the images of letters that can be displayed on flexible plastic sheets.

FORBES: Magazine Article

There are no welcome letters or flowers in our rooms, and we have shrink-wrapped plastic cups instead of proper glasses.

FORBES: Rafael Trapet / Getty Images