When you have a look at the tire of the car, you will notice that the numbers are written in the following pattern: P215/50R17. What is the Meaning of the First Letter? The first alphabet on the tire can be P, LT, ST or T. Sometimes there is the absence of the first alphabet. The first alphabet denotes:
Clay is one of the three principal types of soil, the other two being sand and loam. A certain amount of clay is a desirable constituent of soil, since it binds other kinds of particles together and makes the whole retentive of water. Excessively clayey soils, however, are exceedingly difficult to cultivate.
There are three main types of soilâclay, sandy, and loamy. There are also other types of soil, depending on the type of underlying rock and the climate and vegetation. Loams are a mixture of clay, sand, and silt, and are more fertile than other soils.Clay soils are usually sticky and waterlogged.Chalky soils are thin and dry. Acidic peaty soils are made up of rotting plants.here are three main types of soilâclay, sandy, and loamy. There are also other types of soil, depending on the type of underlying rock and the climate and vegetation. Loams are a mixture of clay, sand, and silt, and are more fertile than other soils.