safety fire sign vector set. firefighting icons. stock illustration. isolated - 滅火筒 幅插畫檔、美工圖案、卡通及圖標火警, 安全
a female safety inspector checks the fire extinguishers in the hotel restaurant. - 滅火筒 個照片及圖片檔安全, 服務, 保護
electric technician working on a fuse box or switch board, using pliers or engineering tool. male electrician doing complex installation and connection of electrical equipment and wiring cables. - 滅火筒 個照片及圖片檔修理, 船舶, 水上交通工具
fire extinguisher cabinet in the hall of office building for preparing to prevent fire, fire extinguisher equipment for protection - 滅火筒 個照片及圖片檔安全, 保護, 器材
young engineer check fire suppression system in control room of factory , daily check job of maintenance technician - 滅火筒 個照片及圖片檔安全, 火警, 保護
emergency signs: telephone, meeting point, fire extinguisher and hose - 滅火筒 幅插畫檔、美工圖案、卡通及圖標消防喉, 學校禮堂, 資訊符號
