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Reader note: By long standing policy I follow the rules of British English, under which “sulphide” is spelt with a “ph”. In American English the same word is written “sulfide”.
Alastair Williams
Melanie Wijeratna
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I am a Certified Information Security Manager (CISM) and a PROSCI-certified People Change Manager. I’m also an ultra-runner and have lived and worked all over.
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