Boron sulfide is the chemical compound with the formula B2S3. This polymeric material that has been of interest as a component of "high-tech" glasses and as a reagent for preparing organosulfur compounds. ... Like the boron oxides, B2S3 readily forms glasses when blended with other sulfides such as P4S10.
Purpose of the BATTERY is to provide energy in order to allow current to flow Purpose of the BULB is to light up once electrons pass through it Purpose of OPEN SWITCH is to stop current flowing all the way around the circuit