Valuation Real property -- 6 Airports -- 5 Plant and machinery -- 3 Real estate investment 2 Standard 2 Valuation -- 2 more ... Airport terminals -- 1 Antiquities -- 1 Contaminated lands -- 1 Continuing Professional Development 1 Heritage buildings -- 1 Petrol station -- 1 Reale state business 1 Timber -- 1 less ...