Hydraulic jacks; Jacks (machines); Lifting jacks (other than hand-operated); Pneumatic jacks; Pneumatic jacks (air or exhaust filled bags for lifting); Pneumatic jacks for operating machine tools; Pneumatic jacks for operating machines; Pneumatically operated lifting jacks (machines); Power operated flexible jacks; Power operated jacks; Screw jacks (machines); Vehicle trolley jacks (machines); Electric jacks; Air filled devices (jacks)