1. This process is slightly far more complicated since it would require a person to bodily enter the water tank through the lid opening/inspection hole from the roof of the tank. When thermoplastics have not been treated by using a UV protection coating, they absorb the rays of light, which https://donovanfb9h1.total-blog.com/detailed-notes-on-how-to-clean-water-tanks-in-qassim-56388225