English to Greek Science Forestry / Wood / Timber (-)

B.2.2.3 Bark allowance
The diameter under bark shall be measured
In case of over bark measure, convert to a diameter under bark by using one of the three following methods:
Reduce the measurement by twice the estimated thickness of the bark at the point of measurement.
Where there are doubts about the thickness, determine this at the position of diameter measurement.
Use a bark allowance stated in writing and agreed between buyer and seller.

bark=φλοιός