sensor for detecting wear in the lining of wheel brakes for land vehicles, in particular drum brakes, disc brakes and parts therefor, namely sensors for detecting lining wear, tajur maismaasõidukite rattapidurite, eelkõige trummelpidurite, ketaspidurite ja nende osade, samuti rehvide kulumise tuvastamiseks, nt tajur rehvimustri sügavuse mõõtmiseks