"ref"=>"53","design"=>"bipole","line_attachment"=>"suspension"
"design"=>"barrel","line_attachment"=>"anchor","material"=>"steel","ref"=>"47","structure"=>"tubular"
"ref"=>"50","design"=>"bipole","line_attachment"=>"anchor"
"design"=>"barrel","line_attachment"=>"suspension","material"=>"steel","ref"=>"46","structure"=>"tubular"