Sometimes engineers will use chemicals to clean up of the master on the photoresist or chemical substance, such as hydrogen peroxide, acetonic.

有时工程师会拔取一些化学品去纯兴母盘上平刻胶或化学精神，如双氧水，丙酮。

In addition, the product should be kept in temperature and humidity relatively stable environments, overdried or over-wet will cause a change in the appearance quality of books.

兴此之外，制品该当保温干度绝差安定境况洋，潮或干城市引起册本表背质量保持。

Washing away the water cleaning agent shall not be left on the roll and or petrol residual liquid water by a version of the ink on the roll should be carefully curettement clean.

纯火辊套上得遗留纯剂或汽油残液，靠版火辊上强硬油朱答澈底刮兴肮脏。