Acids also do not act much on plastic. The use of plastic hatches is characterized by greater safety. Когда различные горючие газы скапливаются в колодцах, то не происходит взрыв, как в случае с чугунными аналогами. Despite the material, the products of the rack to the sunlight. When using them, there are no deformation processes. The developed models look very attractive. They do not need to be constantly painted — with their aesthetic appearance they will delight for many years.
