(no subject)
Jul. 12th, 2004 05:28 pm![[identity profile]](https://www.dreamwidth.org/img/silk/identity/openid.png)
![[community profile]](https://www.dreamwidth.org/img/silk/identity/community.png)
The relevant concentration of trivalent and hexavalent chromium in waste oils was not determined from the literature search and is of limited value since the combustion of the fuel would be expected to alter the percentages of each.
в выделеное не врубаюсь((
в выделеное не врубаюсь((