Abstract: Disturbance identification plays an important role in the disturbance suppression of rotary machines. Traditional identification methods, such as Fourier transform (FT), Hilbert-Huang ...
Decluttering Mom on MSN
5 sewing supplies quietly becoming valuable collectibles
You probably keep a few old sewing items tucked away and don't realize some of them quietly gain value. You can spot pieces that craft lovers and collectors actively seek, turning ordinary notions ...
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