Best emojis for system⚙️🕸️🏛️🏗️🚨📼

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⚙️
gear
settings icon, cog, cogwheel, tool, mechanical, engineering, hardware, control, machine, service, system, custom, customization, preference, configuration, process, operate, operation, execution, function, mechanism, efficient, efficiency, effective, technical, part, model, administration, method
🕸️
spider web
silk, trap, Halloween, connections, complex, complexity, complicated, system, schema, cluster, network, relationship
🏛️
classical building
museum, court, town hall, architecture, structure, system, art, monument, landmark, culture, cultural, history, historical, traditional, ancient, library, framework, institution, government, federal, political, politics, congress, establish
🏗️
building construction
crane, hoist, lift, development, infrastructure, architecture, system, scaffold, framework, establish, civil engineering, foundation, basis, platform
🚨
police car light
siren, alert, warning, urgent, revolving, emergency, rotating light, beacon, crisis, alarm, security system, critical
📼
videocassette
tape, video home system (VHS), retro, record, storage, data, memory