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2. Water filter - Wikipedia

   en.wikipedia.org/wiki/Water_filter

   Water purifier attached to a sink faucet. Point-of-use filters for home use include granular-activated carbon filters used for carbon filtering, depth filter, metallic alloy filters, microporous ceramic filters, carbon block resin, microfiltration and ultrafiltration membranes. Some filters use more than one filtration method.

3. History of water filters - Wikipedia

   en.wikipedia.org/wiki/History_of_water_filters

   The history of water filters can be traced to the earliest civilisations with written records. Water filters have been used throughout history to improve the safety and aesthetics of water intended to be used for drinking or bathing. In modern times, they are also widely used in industry and commerce. The history of water filtration is closely ...

4. Category:Water filters - Wikipedia

   en.wikipedia.org/wiki/Category:Water_filters

   C. Ceramic water filter. Chamberland filter. Coffee filter. Copper zinc water filtration. Cross-flow filtration.

5. Sinc filter - Wikipedia

   en.wikipedia.org/wiki/Sinc_filter

   Sinc-in-time. Sinc-in-time is an ideal filter that removes all frequency components above a given cutoff frequency, without attenuating lower frequencies, and has linear phase response. It may thus be considered a brick-wall filter or rectangular filter. Its impulse response is a sinc function in the time domain:

6. Smart garbage disposal composts your food scraps instead of ...

   www.engadget.com/2020-01-07-smart-garbage...

   Don't grind up your tables scraps, compost them instead. Composting is a fantastic way that regular folks can help both combat climate change and reduce the pressure on local landfills, but the ...

7. Ceramic water filter - Wikipedia

   en.wikipedia.org/wiki/Ceramic_water_filter

   A Victorian ceramic water filter. Ceramic water filters (CWF) are an inexpensive and effective type of water filter that rely on the small pore size of ceramic material to filter dirt, debris, and bacteria out of water. This makes them ideal for use in developing countries, [1] and portable ceramic filters are commonly used in backpacking.