If, however, vertical adjustment cannot be performed repeatedly to the required position within the tolerances described in paragraph 6.2.2.3. of this Regulation, one sample shall be tested according to the procedure described in paragraphs 2. and 3. of Annex 9.
If, however, vertical adjustment cannot be performed repeatedly to the required position within the tolerances described in paragraph 6.2.2.3. of this Regulation, one sample shall be tested according to the procedure described in paragraphs 2. and 3. of Annex 9.