Mineral wool means a fibrous glassy substance made from natural rock (such as basalt), blast furnace slag or other slag, or a mixture of rock and slag.
(Mineral wool; means; a fibrous glassy substance made from natural rock (such as basalt), blast furnace slag or other slag, or a mixture of rock and slag) (a fibrous glassy substance; made; from natural rock (such as basalt), blast furnace slag or other slag, or a mixture of rock and slag)
Mineral wool a fibrous glassy substance
means made
a fibrous glassy substance made from natural rock (such as basalt), blast furnace slag or other slag, or a mixture of rock and slag
from natural rock (such as basalt), blast furnace slag or other slag, or a mixture of rock and slag