Tree Command Has No Root Record In Data Member 'db.yaragh' With '210203' Value In 'parentid' Column That Set In NullValue Attribute.
Tree Command Has No Root Record In Data Member 'db.materials' With '210202' Value In 'parentid' Column That Set In NullValue Attribute.
Description
In the design of double-glazed partitions, glass and aluminum are used, with a frame thickness of 10.8 cm and a glass thickness of 8 mm that can be applied at all angles. The approximate weight is 52 kg per square meter. In tall partitions, the height is 300 cm, and these partitions also provide sound insulation up to 50 decibels.