E
SECTION E — FIXED CONSTRUCTIONS
  
BUILDING
 E01
CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES (of tunnels E21D)
 E01G
( transferred to E21D 9/00, E21D 10/00 )
 E01G 1/00
( transferred to E21D 9/00 )
 E01G 4/00
( transferred to E21D 10/00 )