Before revision: Construction GVA by country Employment Ironworkers erecting the steel frame of a new building at Massachusetts General Hospital in Boston A truck operator at Al Gamil, the largest construction company in Djibouti Some workers may be engaged in manual labour as unskilled or semi-skilled workers; they may be skilled tradespeople; or they may be supervisory or managerial personnel.
After revision: Road signsConstruction GVA by country Employment Ironworkers erecting the steel frame of a new building at Massachusetts General Hospital in Boston A truck operator at Al Gamil, the largest construction company in Djibouti Some workers may be engaged in manual labour as unskilled or semi-skilled workers; they may be skilled tradespeople; or they may be supervisory or managerial personnel.