If the door board is made of wood or paint sheet, periodic waxing is the most effective way to maintain bright-colored surface, while glass or resin board needs no waxing.

如果门板采用木质或烤漆板材，定期打蜡是保持表面鲜艳亮丽的有效方法，而玻璃或树脂板材则不需要打蜡。

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Effect of potassium permanganate etching solution on the roughening of epoxy resin laminates board and 3240 epoxy resin board at various temperatures and times was investigated.

在不同的微蚀温度、时间条件下，研究了高锰酸钾微蚀溶液对环氧树脂层压板和3240型环氧树脂板(基板)微蚀作用的影响。

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The modifications of urea resin and phenolic resin by melamine, and the applications of modified melamine to coating and board are reviewed.

综述了三聚氰胺对脲醛树脂、酚醛树脂的改性以及改性三聚氰胺在涂料、板材等方面的应用。

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The model is made of polyurethane resin board which is normally used for creating models for the motor and aviation industries.

BBC: Sheffield Man of Steel sculpture model unveiled