Silverline Telescopic Aluminium Surveyors Staff 5m

we're Nuremberg College with Oh ten head teacher Dave what are you going to be showing us next Jason I'm going to introduce you to the staff and how to take a reading to it from the instrument we've just leveled this is normally a two-man process on site would you like to give me a hand love to get on Jason line now just want to show you some features of the staff if you could just lower that down for me this staff is a five stage staff so it has five sections to it and you'll notice if you wouldn't mind extending that out now as you raise it up it actually needs to clip in here at the back and that that clip is on each section of the staff also you'll notice that the first section is in black second section is red it alternates up the staff so that the person looking through the instrument can see that we've actually extended in this case the first and the second section so that's just