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Kammerpfeilerbau m
met.	barrier system; pillar-and-room; room and pillar stoping; stall-and-room work; board-and-pillar method; bord-and-pillar method; breast-and-pillar; chamber-and-pillar; heading-and-stall method
mining.	board-and-pillar; bord-and-pillar (method); bord-and-pillar panel method; bord-and-pillar working; bord-and-wall; chamber working; heading-and-stall; pillar-and-breast (method); pillar-and-chamber (working); pillar and stall (method); pillar working; post-and-stall (method); punch-and-thirl; room and pillar; room-and-pillar method (mining); room-and-stoop; rooming; roomwork; single-stall working; square work; stall-and-breast; stoop-and-room (method); stoop-and-thirl; straight-ends-and-walls; stumping; tub-and-stall

Kammerpfeilerbau: 8 phrases in 2 subjects

Coal	1
Mining	7