What are the classifications of FRP electrician's ladder?

Glass fiber reinforced plastic (FRP) electrician ladder is divided into electrician single ladder, electrician soft ladder, electrician bamboo ladder (fishing rod ladder), electrician joint ladder, electrician single straight ladder, electrician ladder, electrician ladder, electrician ladder, electrician lifting ladder (electrician single lifting ladder, electrician telescopic ladder, electrician telescopic herringbone ladder), electrician bench, electrician step stool, electrician high and low stools, electrician high stools, electrician lifting platforms, electrician scaffolding and so on.