Birch-tar

substance (liquid when heated) derived from the dry distillation of the bark of the birch tree

en-US/ˈbɝt͡ʃ - ˈtɑɹ/
en-GB/ˈbɜːt͡ʃ - tɑːɹ/

دسته بندی ها:

organic mattertarpitch