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Problem: noise excess indoors - Coggle Diagram
Problem: noise excess indoors
variable
Cars, buses, trains, planes
construction
dogs, babies
users
Students
Schools
Hospitals
Workers
Families with young children and elderly people
product
easy to install device
low consumption
noise cancellation
securelt attached to the window
lightweight
ISO and EU regulations
round-shaped
Variables
Material
Price
Charging method
Cable
Removable battery
Stucks
Solar panel
Sticking Method
Adhesive
Suction Pad
instructions for use