"design"=>"delta_two-level","line_attachment"=>"anchor","ref"=>"8"
"design"=>"delta_two-level","line_management"=>"termination","ref"=>"1"
"design"=>"delta_two-level","line_attachment"=>"anchor","ref"=>"14"
"technology"=>"GSM 900","tower:type"=>"communication"
"design"=>"delta_two-level","line_attachment"=>"anchor","ref"=>"19"