What's difference between ladder lift truck and Aerial lift truck?

The ladder lift truck equip with ladder system, mainly used for project rental, waterproof materials lifting, moving company, cement stone moving, construction materials lifting, construction rubbish transport, ship repair, road and bridge maintaining and so on.

While Aerial lift truck equip with boom system, mainly used for people lifting operation like public lighting; roofing and gutter cleaning; building construction and maintenance; industrial installations; safety inspections; window washing and repair; orchard and tree surgery; electrical line work; events and entertainment installations.