Aim :- to make a A frame and  known about it.
Requirement :- wooden strips, screw, nuts, bolt ,string , weight, hacksaw,hammer .

Procedure :- to make A frame we took 5 meter wooden plank. Then cut two pieces  of each
2 meter by help of whack saw .then cut 1 piece of 1 meter each. Placed the wooden plank
on ground in A shape and mark points to do a drill on the marking.then fix it with the help
of nut – bolts .then  tie a strip at the top of the a frame and tie a weight  at the other end
Of string and mark a middle point at the A frame .

Observation :- A frame is use mark the similar points on the hill or on a slope .