It is possible to use dirt, but not recommended. Sand is preferably used because when you land on it there is a lot of "give" to it to help absorb shock so it is better on your joints. It is less likely to pack down like dirt would do, which causes a harder surface. It would not be good for your knees.
Look in the yellow pages for Sand and Gravel and ask for washed sand. You can buy it by the cubic yard.
7m
The long jump is measured from the front of the jump board to the closes point in the sand that the jumper touches the sand in a straight line.
sandy sand
just that: the sand pit.
a sand pit
Two events in athletics use a sandpit: the long jump, and the triple jump.
Sulphate is the ion in lawn sand that kills moss. Lawn sand may contain ammonium sulphate or iron sulphate. It works as a homemade or store-bought treatment since it just requires equal amounts of sand (kiln-dried block paving sand or silver) and sulphate.
because it was more easier
So they land soflty
um...sand,legs,body etc.
so you don't hurt your self
It is about 0.33 m deep.
um...sand,legs,body etc.