A ladder 10m long is leaning against a vertical wall with its other end on the ground. the top end of the ladder is sliding down the wall , when the top
En131 Approved 10m Aluminum 3-Section Extension Ladder - China Folding Ladder and Step Ladder price
Extra Heavy Duty Aluminium 10 Step Ladder Platform Height 2.38M Closed Height 3.42M Capacity 350Kg - Hunt Office UK