Ironmould, can be in corrupt place sprinkle fine salt dust, fluid of reoccupy lukewarm soap is brushed except.

墨，可在污处撒细盐末，再用温肥皂液刷除。

More serious is, partial manufacturer makes beehive shape material with presspaper actually, reoccupy glue is secured inside door plank.

更为严重是，部分厂家竟然用薄纸板制成蜂窝状材料，再用定在门板内。