Valsts valodas centra izstrādātie transporta, infrastruktūras un sakaru termini

Konteksts: [..] This signal should be constructed of wood or other light material. The dumb-bell should consist of two circles 1.5 m in diameter connected by a crossbar 1.5 m long by 0.4 m wide as shown in Figure 3-1 A. It should be painted white. [..]
Avots: Airport Services Manual Part 4 - VISUAL AIDS