MANHOLE

SN A vertical shaft, usually with an internal ladder, allowing access to a sewer or underground counduit for inspection and maintenance.
CL MARITIME
BT WATER REGULATION INSTALLATION
RT MANHOLE COVER

 
 

MANHOLE

SN A vertical shaft, usually with an internal ladder, allowing access to a sewer or underground counduit for inspection and maintenance.
CL WATER SUPPLY AND DRAINAGE
BT WATER REGULATION INSTALLATION
RT MANHOLE COVER