SALES TAX - exemptions and classifications - principles of construction - "essential character" - meaning of item 1(a) in Third Schedule to Sales Tax (Exemptions and Classifications) Act 1935 and item 84(1) in the First Schedule - meaning of "goods of a kind ordinarily used for household purposes" - discussion of Diethelm Manufacturing Pty Ltd v Commissioner of Taxation - meaning of "for use" in item 84(1) of First Schedule - whether "construction" includes reconstruction. - [1995] FCA 147 - FCA 1995 case summary — Zoe