Valsts valodas centra izstrādātie inženierzinātņu, tehnikas, rūpniecības un būvniecības un arhitektūras termini

Konteksts: [..] horizontal projection - distance, expressed in metres, from the outer edge of the vehicle to the perpendicular dropped from the outer edge of the base of the rescue cage or the working platform or the projection from the outer edge of the vehicle to perpendicular from the topmost round [..]
Avots: LVS EN 14043+A1:2009 High rise aerial appliances for fire service use - Turntable ladders with combined movements - Safety and performance requirements and test methods.