中文關鍵字
文件抽屜黃色職業成功保持頭盔顧問拇指夥伴綠色站立反射設計師安全行業技能人工程師承包商工程人僱員規劃商人項目肖像建造藍圖商業專業的佔用領導領班工作建築師男安全背心施工紙企業家背心建築工人年輕成人信心微笑經理
英文關鍵字
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