Yeldkawarn (francavon Terril de charbonnage) tir trutca lumkirafa gu 46 × 55cm-, i puntalingeks keve stama skuyun gan Maximilien Lucefrancaf lingesik bak 1896.
Bata trutca koe Tcilaxe ke Ixelles (Belga) re (2018) tigir.
Luce ko Belga koyayar, tulon ko Borinage gola toriyoltkirafa gu Ebeltaxo, i ko gola dem yeldaxo is yantanyofaxe is vikiz is omaf kelt. Bata jonvielera va enkap dem gijarotifa is geltrevafa trutca di koswavayar. Inafi afi tuorikaweyer.