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In the developing deptartments "drawing office" and "moulding department" the constuctions for the products are completed. |
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By silk-screening procedure the vinyl sheets are printed with 10 colours, these colours are fast to light and retain their intensity. |
| The lay-out for the relief maps are printed distorted so that by the thermo plastic moulding process the superelevation of the relief is accounted for. |
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| With the special pressurized moulding machine the thermo plastic moulding process is carried out. |
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After the thermo plastic moulding process, wooden rods are attached to the maps passed by quality control and then packed. |