What is a dome skylight

Dome skylight is designed for installation on flat roofs and roofs with slight inclination. They are also installed on a roof opening that is provided with a base. They are used to reduce the cost of expensive air conditioning, energy, maintenance, and the care of a suitable work environment. 
The dome roof skylight serves for the natural illumination of flat roofs and also offers natural ventilation. 
The dome skylight is also used for venting escape routes. They are fitted with safety glass. They can also be used as platforms on flat roofs.  It is necessary to choose a sufficiently large skylight, which can be easily stretched by an adult.