tunnel inspection

URI: https://gptkb.org/prop/tunnel_inspection
4 triples
GPTKB property
Random triples
Subject Object
gptkb:Albula_Tunnel annual
gptkb:Queensway_Tunnel inspections every 6 months
gptkb:Severn_Tunnel Regular inspections required
gptkb:The_Gotthard_Base_Tunnel regular maintenance checks