Table 2.

Percentage of nuclides of various elements at the spots.

Nuclear %	Fe	Cr	Ni	O	C	Mn	Si	Ti	Ca	P	S	Na
Spot 1	58.56	16.25	6.28	9.91	5.65	1.04	1.75	0.52	0.05	0	0	0
Spot 2	47.35	10.26	3.87	20.34	25.17	0.76	0.54	3.04	0.25	0.47	0.3	0
Spot 3	22.06	7.62	3.71	32.05	24.67	0.3	1.5	6.32	0.44	0.86	0.37	0
Spot 4	14.33	5.48	2.31	40.43	25.39	0	1.57	7.18	0.29	1.51	0.46	0.56