| 摘要 |
<p>The producing method involves the use of a panel made of a plastic material and containing one dye. The plastic panel is introduced into the heatable mold and is pressed in the mold to produce the wall portion or the covering hood. The wall portion or covering hood (3) is inspected with regards to color gradations such that different color gradations of the wall portion or covering hood indicate different wall thicknesses and possibly insufficient wall thicknesses.</p> |
