An air intake 24 is made in the wall of the reservoir 10, this being arranged in such a way that diminishing the lateral orifice 22 would be stuffed to become-used, as will be spicified later on.
An air intake 24 is made in the wall of the reservoir 10, this being arranged in such a way as to reduce the risk of the lateral orifice 22 becoming clogged, as will be specified later on.