Valsts valodas centra izstrādātie transporta, infrastruktūras un sakaru termini

Konteksts: [..] "Secondary grooves" means the supplementary grooves of the tread pattern which may disappear in the course of the tyre's life. [..]
Avots: Agreement 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. 30 - Uniform provisions concerning the approval of pneumatic tyres for motor vehicles and their trailers.