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Smart balls, e-commentators, race for the wonder shoe

Ordinary field boundaries on grass pitches have to be constantly retraced with the chalk wagon. This is because the grass is regularly mowed and because the applied marking is affected by the weather. Although it is also possible to pre-work with a stencil (DE 10 2008 019 514 A1, in the picture), for example, if there are hardly any reference points for the correct line geometries on the field. Despite this, the final line appearance of the field depends only on the skill of the chalk wagon operator. (Image:DPMA) arrow back arrow forward Image Zoom
Ordinary field boundaries on grass pitches have to be constantly retraced with the chalk wagon. This is because the grass is regularly mowed and because the applied marking is affected by the weather. Although it is also possible to pre-work with a stencil (DE 10 2008 019 514 A1, in the picture), for example, if there are hardly any reference points for the correct line geometries on the field. Despite this, the final line appearance of the field depends only on the skill of the chalk wagon operator. (Image: DPMA)
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