Step Ladder (A-Frame): Perfect for painting or accessing middle heights without needing a wall to lean against.
Extension Ladder: Ideal for reaching tall ceilings, gutters, or roofs.
Staircase Ladder: Features adjustable legs to create a stable base on uneven stair treads.
Scaffold/Trestle: Can be separated to create a mini-platform for working at low heights. [1, 2, 3, 4]