Table 7.

Weight and importance of risk factors in lifting operation construction.

Index	Risk degree	C	E	C + E	Weight	Weight sorting	Importance degree	Importance sorting
X11	2.7823	0.00	14.02	14.02	0.0115	10	0.0319	9
X12	2.3225	6.0000	7.08	13.08	0.0106	13	0.0247	12
X13	1.3297	0.00	7.32	7.32	0.0057	15	0.0076	15
X21	2.9778	21.32	7.81	29.13	0.0229	3	0.0683	5
X22	2.6601	0.00	22.17	22.17	0.0180	5	0.0479	7
X23	4.1833	52.11	4.05	56.16	0.0459	1	0.1919	1
X24	2.4722	8.16	6.25	14.41	0.0115	11	0.0283	10
X25	2.4307	8.09	5.73	13.82	0.0101	14	0.0279	11
X31	2.5263	11.27	5.28	16.55	0.0131	8	0.0331	8
X32	4.9935	8.07	7.24	15.31	0.0123	9	0.0613	6
X33	4.2119	53.27	1.35	54.62	0.0442	2	0.1863	2
X34	4.9102	12.53	7.20	19.73	0.0156	7	0.0764	3
X35	1.6755	9.14	11.04	20.18	0.0164	6	0.0274	12
X36	3.4713	19.25	7.31	26.56	0.0213	4	0.0739	4
X37	4.8511	13.26	6.90	20.16	0.0114	12	0.0261	13
X41	2.8623	0.00	7.22	7.22	0.0057	16	0.0164	14