Table A2.

Data from a miner in Shaanxi Coal Yubei Coal Industry Xiaobaodang Mining Co.

Factor	x 1	x 2	x 3	x 4	x 5	x 6	x 7	x 8	x 9	x 10
x 1	NO	VL	L	VL	L	VH	H	VL	NO	H
x 2	L	NO	L	VH	L	VL	VL	L	H	H
x 3	VH	H	NO	L	H	H	H	L	L	L
x 4	VL	VL	L	NO	VL	VL	L	VL	VL	L
x 5	H	L	VL	H	NO	L	VH	H	VL	L
x 6	H	H	H	L	L	NO	H	H	L	VL
x 7	L	VH	VL	VL	L	VH	NO	VL	L	H
x 8	VH	L	H	H	H	VH	H	NO	VH	H
x 9	VH	VL	H	L	L	VH	H	VL	NO	VH
x 10	H	H	L	L	H	L	L	VL	VL	NO
x 11	VL	L	H	VL	H	L	VL	L	H	NO
x 12	NO	VL	L	VL	L	VH	H	VL	NO	H
x 13	L	VL	L	L	L	H	H	L	VL	L
x 14	VL	H	H	VH	H	VH	L	VH	H	VL
x 15	H	VH	H	L	VL	VL	L	H	H	NO
x 16	VH	VH	VH	L	VL	VL	NO	H	NO	NO
x 17	H	H	L	L	H	VL	H	H	L	VL
x 18	L	H	NO	VL	L	H	L	L	VL	VL
x 19	NO	L	VL	L	H	L	VL	NO	H	NO
x 20	VH	H	L	VL	NO	H	NO	NO	L	NO
Factor	x 11	x 12	x 13	x 14	x 15	x 16	x 17	x 18	x 19	x 20
x 1	NO	NO	L	NO	L	VL	VL	L	H	H
x 2	NO	H	VH	L	VL	L	H	L	VL	VH
x 3	H	H	L	VL	VH	H	H	L	H	VL
x 4	H	H	NO	L	VL	VL	VL	L	L	H
x 5	VL	L	VL	L	H	L	VL	H	H	NO
x 6	VL	L	H	H	NO	H	L	L	H	H
x 7	VL	VL	L	L	H	VH	L	L	H	VH
x 8	L	VL	VL	L	H	H	NO	H	L	H
x 9	H	L	H	L	H	VL	VL	L	L	H
x 10	VL	L	H	VH	H	VL	L	H	L	L
x 11	NO	VL	L	L	VL	VL	L	H	H	NO
x 12	L	NO	H	L	L	H	VH	L	VL	H
x 13	NO	H	NO	H	H	L	H	L	VL	NO
x 14	L	H	VL	NO	VL	L	H	L	VL	VL
x 15	L	NO	L	L	NO	H	L	H	L	VL
x 16	L	VL	VL	L	H	NO	H	H	H	VL
x 17	L	H	H	NO	L	L	NO	L	L	NO
x 18	NO	L	NO	L	H	H	L	NO	VL	NO
x 19	H	H	H	H	H	H	H	VH	NO	L
x 20	NO	L	NO	L	VL	VL	L	H	H	NO