Which action is NOT recommended before using a pesticide?

Mixing pesticides without guidance is not recommended because it can lead to improper application and increase the risk of harm to both the user and the environment. Pesticides often have specific mixing instructions provided by manufacturers that ensure they work effectively and safely. Following these guidelines is crucial to achieve the desired pest control results while minimizing risks.

In contrast, reading the label instructions is essential as it provides critical information on how to apply the pesticide correctly and safely. Checking local regulations ensures compliance with state and local laws regarding pesticide use, which can vary by area. Avoiding skin contact is a necessary safety measure to protect the applicator from exposure to potentially harmful chemicals. Each of these actions is important for ensuring safe and effective pesticide application, while mixing without guidance can lead to adverse outcomes.