Valsts valodas centra izstrādātie transporta, infrastruktūras un sakaru termini

Konteksts: [..] "Tread groove" means the space between two adjacent ribs. [..]
Avots: Concerning the adoption of uniform technical prescriptions for wheeled vehicles, equipment and parts which can be fitted and/or be used on wheeled vehicles and the conditions for reciprocal recognition of approvals granted on the basis of these prescriptions. Regulation No. 54. Uniform provisions concerning the approval of pneumatic tyres for commercial vehicles and their trailers.