Metal doors; metal partitions for use as temporary walls for building; metal door fittings; folding wall panels of metal; flat wall panels of metal; metal support systems for moveable walls comprised primarily of metal vertical truss, metal horizontal posts and a metal track

Vertical lift systems for building comprised primarily of metal panels for a retractable wall and also including a motor, drive chain and control switch to vertically lift the retractable wall; vertical lift systems for building comprised primarily of non-metal panels for a retractable wall and also including a motor, drive chain and control switch to vertically lift the retractable wall