As you can see, the chart describes how to make Polystyrene and paper cups (per 1000 cups), which are disposable, by using six types of elements namely Water, Electricity, Petroleum, Steam, Other chemicals, and Wood. Overall, the Paper cups need more materials than the Polystyrene cups.
For the Polystyrene cups water, electricity, and petroleum are used respectably .06(m3), 6 (Kilowats), and 8(kg), while 10, 78, and 18 are used for the Paper cups. Steam is the main material to make Polystyrene cups and using 130 kg the Steam where below 1 kg needs for the Paper cups. On the other hand, 200 kg the wood is used to manufacture paper cups while no need the Wood for Polystyrene cups. Also, different chemicals are used to manufacture both types of cups.
In conclusion, to produce 1000 Polystyrene cups mostly utilize Steam and Chemicals, where Wood and Electricity are using significantly though both cups are disposable.
