An Open Access Journal
Material | Standard materials | Premium materialsa | ||
---|---|---|---|---|
Low | Average | High | ||
Cold plasticb | 1.85 | 2.25 | 3.03 | 3.03 |
Paintc | 1.50 | 1.72 | 2.07 | 2.59 |
Glass beads | 0.43 | 0.58 | 0.80 | 6.63 |
Labour – cold plasticd | 0.58 | 0.85 | 1.15 | 1.15 |
Labour – paintd | 0.46 | 0.49 | 0.57 | 0.57 |