The Publisher apologises to the Authors and to the readers for errors in the published article which were not corrected at proof stage. The corrections are as follows:

Vol. 56, No. 1, March 2021 issue

p. 46, abstract, line 1: instead of “applications”, read “fields”

p. 46, right column, line 17: instead of “which were called later”, read “and later referred to as”

p. 47, right column, line 12: instead of “Kln-embedded and armoured”, read “Kln-embedded and -armoured”.

p. 49, left column, line 12: instead of “Perkins Elmer”, read “Perkin Elmer”.

p. 50, Table 1, footnote b: instead of “..are the two marks of the same sample”, read “are the same sample”; and footnote d: instead of “…are an approximations”, read “are approximations”

p. 50, right column, lines 5–6: instead of “Such a phenomenon is ascribed to the habitation where Kln particles distributed in the previous E_Kln. That is,” read “This difference between the internal and external surfaces is ascribed to the distribution of Kln particles in E_Kln, i.e.”

p. 51, left column, line 35: instead of “range of 50–”, read “range 50–”

p. 53, left column, lines 31–32: instead of “22% SR not given for C_KP-0.6IPDI).” read “22% SR remained for C_KP-0.6IPDI after 45 h of release).”

p. 53, right column, line 14: instead of “the n values are >0.5”, read “no n value is >0.5”