| http://www.w3.org/ns/prov#value | - Therefore, there is a problem that the height-adjusting material such as bricks is destroyed and sinks downward due to reduction of strength of the bricks etc. resulting from ingress of rainwater etc. and fatigue load such as repeated impact load of the vehicle after completion of construction, and accordingly frequent repairing of the manhole cover on the road is required, which makes management
|
