The cables were painted regularly and reportedly had a dehumidification system that could blow dry air between the strands (although those systems usually require an airtight sleeve around each cable).

这些电缆定期进行涂漆，据报道有一个除湿系统，可以在股线之间吹干空气（尽管这些系统通常需要在每根电缆周围有一个气密套管）。