8.8 to 54.8 % by weight; beech, spruce, larch, birch, cherry,
walnut
7.0 to 47.9 % by weight; oak, pine, maple, ash-tree, douglas
fir, meranti
0.9 to 22.1 % by weight; cement screed, concrete
0.0 to 11.0 % by weight; anhydrite screed
0.7 to 8.6 % by weight; cement mortar
0.6 to 9.9 % by weight; lime mortar, plaster
0.1 to 16.5 % by weight; bricks
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