Window and door openings in vertical walls are designed to resist flooding or allowing for easy replacement for new ones. Roofing is copper colour aluminium sheet.
垂直墙壁上开有窗和门，设计来抵御洪水，易于用新的替换。屋顶是铜色铝板。
Strip Resist: The hardened dry film is stripped from the copper leaving the desired copper pattern reproduced from the artwork.
去膜：蚀刻后将抗蚀层干膜去除，得到所需的裸铜电路图图。
Can resist the air and seawater erosion, have good electric conduct perfemance . Can be used in red copper jointing.
耐大气、海水腐蚀，导电性好。紫铜焊接用，如导电铜排。
Tin plating: Immediately after copper plating, a thin layer(0003") of tin is electroplated on the surface of the copper. Tin will act as an etch resist in a future manufacturing process."
镀锡：镀铜后在铜表面再镀上一层锡，大约3mil厚，在下工序中起到抗蚀保护线路的作用。
Tin plating: Immediately after copper plating, a thin layer(0003") of tin is electroplated on the surface of the copper. Tin will act as an etch resist in a future manufacturing process."
镀锡：镀铜后在铜表面再镀上一层锡，大约3mil厚，在下工序中起到抗蚀保护线路的作用。
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