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 Executioner's Chariot was created with the sole purpose of tormenting and punishing the undead during the hunts organized by the Old Iron King. Although the Executioner appears to be the master of the chariot, it's actually the horse that controls the machine and carries out its creator's will to torture the undead.