PRESIDIUM DC709N, Руководство пользователя, Страница: 14 / 138

Cleaning your gemstone prior to testing
Prepare a clean tissue. Carefully retrieve the gemstone
with tweezers and place the gemstone face down on the
table (Fig. 1.7).
Fig. 1.8
Fig. 1.7
Gently rub the table of gemstone against the tissue/
jewellery cloth and place the gemstone on the centre of the
Test Pad
(Fig. 1.8)
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