. . "0"^^ . . . "dust consisting of a mixture of small coal fragments and coal dust and dirt that sifts out when coal is passed over a sieve"@en-us . . "114012446"@en-us . . "slack"^^ . . . . . "slack"@en-us . "0"^^ . "114858099"^^ . . . "14858099-n"^^ . .