... are two type of Springboard (type A and type B),Type A is integral springboard, Type B is removable(Facilitate collection). In order ... CB * 3116-82 standard, With a lightweight, secure , and high intensity.Technical requirements:l All of the aluminum parts comply ... stepping load 75Kg of pressure,After unloading,No permanent deformation.l Standard configuration of ladderl Ladder (Movable pulley, hook) ...