I need help with illustrating how my product works. I want how-to-use illustration

I am looking for an illustrator who can help me create realistic illustrations to show how my product works. My product is used for sealing cracks that leak water in boreholes. The project is for an existing business and the complexity level of the product is simple. I am specifically looking for a realistic illustration style.

Skills and Experience:
- Strong illustration skills, with the ability to create realistic drawings
- Experience in illustrating product usage or instructional illustrations
- Attention to detail to accurately depict the product and its features
- Ability to understand and interpret the concept of the product to create effective illustrations