In order to successfully operate the scaffolding safely, all employees are trained and equipment thoroughly checked before starting any job.
大樓外牆的清潔服務，是近年來才興起的行業，由於必須投資大量專業器材，公司多頗具規模。業主與客戶在事前也會訂下契約，對服務品質、材料、方式、損毀賠償等，都有明確的約定，客戶比較沒有選擇上的困擾。