wall-paper cleaning preparation

例句：

1. 1. Before cleaning the wall, please make sure to prepare the cleaning preparations.
   在清洁墙壁之前，请确保准备好清洁准备。
2. 2. The cleaning preparation should be made before starting the cleaning process.
   在开始清洁过程之前，应该准备好清洁准备。
3. 3. Make sure you have all the necessary cleaning preparations before starting the job.
   在开始工作之前，请确保您有所有必要的清洁准备。