Study the diagram below of a farm structure and answer the questions that follow.
![F3ET1Pp2AgriQ22](https://www.easyelimu.com/images/form_3_past_papers/Term_1_2021/end_term_1_2021/F3ET1Pp2AgriQ22.PNG)
- Identify the parts labelled A, B, and C.
- Name two chemical preservatives that can be used to treat the wooden part of the above structure against fungi and insect attack.