shows the comparison of a one-way packaging and are fillable packaging system regarding different numbers of refills.
The impact of the one-way system was represented as a constant line, due to the missing refilling.
The lines of PET one-way and Al-can are overlapping.
The impact of refillable bottles was reducing(รีดิวซิ่ง) with increasing(อินครีซิ่ง) number of refill trips.
This decrease(ดีครี) arose(อะไรท์) from the reduced demand for primary materials in bottle production.