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.
(More on that later with some pictures of a Spiers plane in bits). The side plates of the skew mouth chariot plane with the tails formed. I cut down with a hacksaw and then cut along the base line with the jewellers saw, then file to the layout lines. The tails will be about 3 mm proud of the base.