Table 1.

Statistical analysis of FOL on samples at various areas marked by white-dashed boxes.

Sample	27 (empty cell)			16 (cell with silica particles)
Area	Y1	Y2	J1	X1	X2	I1
FOL	13 ± 2	13 ± 2	17 ± 2	30 ± 2	36 ± 2	71 ± 2

FOL, frequency of occurrence of likelihood.