Tag 'source = survey'

Value histogram for key 'material'

• 1281: wood
• 625: steel
• 116: metal
• 73: concrete
• 26: stone
• 19: brass
• 14: bronze
• 7: plastic
• 4: ceramic
• 3: glass
• 2: porcelain
• 2: granite
• 1: steel;concrete
• 1: sandstone
• 1: concrete;steel