1 Brown Noise and a Vacuum
2 Deeper Sounding Vacuum Cleaner [Stationary]
3 Hand Held Vacuum Cleaner [Non-Stationary]
4 Household Vacuum [Non-Stationary]
5 Messy Floors and a Weaker Motor Vacuum Cleaner with a deeper drone [Non-Stationary]
6 Stronger Motor Vacuum Cleaner with high pitched motor tones [Non-Stationary]
7 Whirly Weak Motor Power Head Vacuum Cleaner [Non-Stationary]
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