Object bracket holder for concrete forms
Object retainer for upright concrete construction forms
Object storage
Object supports
Observation platform and support
Occupant propelled scaffold
Octa-hub
Off-peak air intake vent
Offground weather shelter unit
Office forming equipment
Office panel element configuration
Office panel positioning structure
Office panel with top lay-in passageway
Office panelling system
Office panelling system
Office panelling system with insert module
Office partition interconnector assembly
Office partition system
Office space dividing arrangement
Office space dividing panel and method for constructing same