Bituminous mixtures based on natural asphalt, on natural bitumen, on petroleum bitumen, on mineral tar or on mineral tar pitch (for example, bituminous mastics, cut-backs)
Meascãin bhitiümanacha ata bunaithe ar asfalt aiceanta, bitiüman aiceanta, bitiüman peitriliam, tarra mianrach ηδ pic tharra mhianraigh (mar shampla, maisteoga bitiümanacha, siarghearrthãin)