image tag: equipment, orientation: vertical, main color: purple, image quantity: 4

1280x1920px

antenna, cell, cellular, communication, connection, dish, electromagnetic
1640x2500px

fire hydrant, fire plug, hydrant, plug, water, emergency, extinguish
2448x3264px

crane, city, construction, urban, industrial, building, high
2448x3264px

computer, electronics, computer equipment, components