按保單條款，保障機器、機械裝置或鋼結構在裝配、安裝、存放、測試或試車期間損失或損毀，並可附加第三者責任保障的保險。
Insurance covering, subject to policy terms, loss of or damage to machinery, plant or steel structures during erection, installation, storage, testing or commissioning, with third party liability cover available as an addition.