straight edge, straightedge, bevelled straight edge, knife-edge straight edge, iron straight edge, steel straight edge, ceramic straight edge, cranite straight edge, aluminium straight edge
teravaservaline puust, metallist või plastikust joonlaud sirgsuse kontrolliks kontrollitava objekti ja instrumendivahelise valguspilu kasutamisega, piece of wood, metal, plastic, etc., with a straight edge that you use to make sure something (such as a line or surface) is straight or to make straight lines or cuts
