Symbols used. The letter symbols used in this paragraph have the following meaning: S : engine rotation speed as indicated under item 9 of Annex 1 NA: uniform engine rotational speed at the approach of line AA’ VA: uniform vehicle speed at the approach of line AA’.
Symbols used. Warning for conditions or practices that could result in personal injury, loss of life and/or in damage to the product or other property. Attention signal or remark
