possible for aquatic organisms, special acute toxicity tests are performed according to oecd guidelines. lc /ec values and noec data are available upon request. chemicals for tbm tunnelling speciality chemicals for tunnel boring machines modern tunnelling ‒ and especially tbm tunnelling ‒ is unthinkable without...
metal, white resin pearls and white crystals my abcdior tribales earring black ruthenium-finish metal, white resin pearls and black crystals my abcdior tribales earring black ruthenium-finish metal, white resin pearls and black crystals my abcdior tribales earring black ruthenium-finish metal, white...