Millbury Classification Update . Alphabetical List of SOC Occupations. Woodruff 0–9 A B C D E F G H I J K L M N O P Q R S T. Construction/Building/Trades Jobs in Spain How to. A look at construction jobs in Spain for tradesmen such as builders, plumbers, electricians, tilers and general maintenance people. Why children should now aspire to be plumbers Daily Mail. New figures reveal West-York that electricians, plumbers New-Philadelphia and plasterers are among the highestpaid workers, with Pickrell some earning more than £150,000 a year hardly surprising.