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.
1 Simple machines include levers, pulleys, wheels and axles, wedges, inclined planes and gears. 2  The lever was first described in about 260 BC by the ancient Greek mathematician Archimedes, who lived from 287-212 BC. 3  Archimedes also invented the compound pulley, which is a combination of fixed and movable pulleys.