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1·Air eraser Miniature sand-blasting hand appliance, using compressed air and pumice for removing superfluous lithographic images from the plate.

擦版气笔手提的小型喷砂器，用压缩空气和浮石粉去除平版上多余的印纹。

2·Common aggregate used includes sand, gravel, turface, and pumice.

常见的集料包括沙子，碎石，蒙脱石和轻石。

3·Aggregate use and considerable resources under the circumstances, the use of fly ash, slag, sand, stone, ceramic, pumice, perlite, etc. (or not added).

集料根据用途及相当资源情况，可选用粉煤灰、矿渣粉、沙子、石粉、陶粒、浮石、膨胀珍珠岩等(也可不加)。