../ abnormal weld/ 04-Dec-2023 11:43 - corrosion/ 04-Dec-2023 11:43 - normal pipe/ 04-Dec-2023 11:43 - normal weld/ 04-Dec-2023 11:43 - scale/ 04-Dec-2023 11:43 - slight crack/ 04-Dec-2023 11:43 -