sounding, depth sounding, leveling, grading
kontrollimine, kas on loodis, vee sügavuse mõõtmine raskuse riputamisega nööri otsa, rõht-, püst-, harvemini kaldsihi mõõtmine loodiga, branch of surveying, the object of which is to establish or verify or measure the height of specified points relative to a datum, act of inserting a metal rod into your urethra
