One of the Realities of Work with Various Materials for the Floor Is thaty All Have Different Heights, The Finish Is Associated with the Thickness of the Material. The Tree, For Example, Has a Completly Different Height than The Decoration of Ceramic Tiles. When it is Necessary to etese inconsistencies, almost the only option is the Installation of the Threshold. This Will Make it Possible to Smooth Out The Gap Between The Two Materials Used and Make a Smooth Transition.