Sn is Tin. and the suffix for Chlorine is nearly always Chloride. The (II) means the Tin [in a hypothetical situation where the compound was purely ionic] has an oxidation state of 2, or +2, (ie deficient of two electrons). Source: A2 Chemistry Student.
The chariot was built of pieces of wood which had been bent into the required shape possibly by immersing them in boiling hot water for several hours, bending them and then letting them dry. Various kinds of wood were used: elm, ash for the axles and sycamore for the foot board. The Egyptians knew two types of chariots.
The introduction of the horse and chariot in Egypt was a turning point in its history. With these new weapons Egypt was able to transform its military into one of the largest and most powerful in the world, allowing Egyptian pharaohs to expand their control and influence in the world.