Green potion, precautions for accommodation staff

Try to choose spraying during class hours, and pay attention to:

1, notify in advance, and close the doors and windows at the dormitory on the first floor;

2. Don't dry clothes and quilts in the spraying stage;

3. Prompt not to touch the leaf surface after spraying;

The prerequisite for spraying is that it should be carried out in a calm and sunny situation, and there will be no rain for 8 hours after spraying, so as not to affect the efficacy.