stepped room and pillar mining method

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
stepped room and pillar mining method	1.92	0.7	969	4	37
stepped	1.35	0.5	696	68	7
room	0.69	0.2	2788	1	4
and	0.86	1	9357	83	3
pillar	1.9	0.3	4277	88	6
mining	1.55	0.3	2399	72	6
method	0.05	0.4	3229	79	6

Keyword	CPC	PCC	Volume	Score
stepped room and pillar mining method	0.36	0.1	6580	85
room and pillar mining method	0.77	0.3	6605	7
coal mining room and pillar method	1.66	0.8	9022	97
room and pillar mining	1.79	1	7872	12
room and pillar mining description	1.81	0.4	3865	39
room and pillar method	0.51	0.1	4460	54
room and pillar mining diagram	0.95	0.7	9537	50
stope and pillar mining method	1.01	0.8	3216	74
room and pillar mining definition	0.68	0.9	2682	2
board and pillar mining method	1.69	1	5074	43
room and pillar mine	0.8	0.7	2418	85
step room and pillar	1.97	0.1	9721	88
room and pillar mining subsidence	0.89	0.8	4285	46
pillar and stall mining	1.31	0.8	14	50
room and pillar mines in australia	0.39	0.1	3317	35
mine pits room and pillar mines	1.01	0.4	7487	48