Words to Describe retrofitted

Things retrofitted often describes ("retrofitted ________")

• building
• slab
• beam
• network
• buildings
• specimens
• insulation
• scrubbers
• structures
• structure
• machines
• unit
• house
• sections
• plants
• equipment
• beams
• vehicles
• model
• aircraft
• column
• bridge
• wall
• homes
• plant
• systems
• system
• models
• columns
• members
• specimen
• installations
• bridges
• boiler
• dam
• tool