They are naturally endowed with natural ventilation, since the material is able to breathe and allow air to penetrate without obstruction without passing a dust.
They are naturally endowed with natural ventilation, since the material is able to breathe and allow air to penetrate without obstruction without passing a dust.
user
Їм властива природна вентиляція, оскільки матеріал здатний дихати і дозволяти повітрю безперешкодно проникати всередину без пропускання пилу.
assistant