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Patents are a barrier to entry.
Lockdown
A security protocol that restricts movement within a facility or area to ensure safety during emergencies or threats.
Classroom Doors
Physical barriers in educational settings, used for security, privacy, and noise control.
Building
The process of constructing structures or the physical structures themselves, usually for residential, commercial, or public use.
Emergency Guidelines
A set of instructions or procedures designed to be followed in emergency situations to protect health, ensure safety, or manage risks.
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