1 Levigato; refers to the very highly polished finish that is produced on unglazed porcelain tiles. 2  Lappato; refers to the semi-polished finish that is produced on unglazed porcelain tiles. 3  Rectified; This means that the edges are ground to an exact tile size with a square edge finish. Bicottura: Double fired glazed tile on top of a clay body. 2  Suitable only for wall applications. 3  Naturale: refers to the flat, natural, finish that is produced on unglazed porcelain tiles. 4  Honed: refers to the flat, smooth, finish that is produced on unglazed porcelain tiles.
Also there was a grain shortage which increased the price of bread, angering the people even more. So they then started the Great Fear caused by the unfair taxation and raised prices on food, this led to the Tennis Court Oath of the National Assembly made up of the 3rd estate.
There are various explanations for the causes of the great depression that started in 1929. Some of the most likely causes are given below: 1. OVER-PRODUCTION AND OVER-EXPANSION.