How to prevent unnecessary harms from bad weather?

When using concrete mixers to produce concrete, there are always special weather that users may meet, for example rainy and thunder days. Then how to prevent unnecessary harms from bad weather?

1. It is important to do heat dissipation work, such as, set the concrete mixer in the open air place or avoid insolate place.

2.Find something to cover concrete mixer in rainy and thunder days

3. It is important to do rainproof work for the wire which connects with concrete mixer and plug par

4. The water is easy to evaporate in hot summer, so it is necessary to clean the remaining concrete in mixing drum to prevent the concrete from solidifying and avoid affecting the working performance of concrete mixer.