CATEGORY CATALOGUE
Every category belongs to a family. Comparisons are built inside a family so that both sides share the same set of properties.
Technology
Gas cooktopsHeat comes from an open burner fed with natural or liquefied petroleum gas.
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Tobacco & nicotine
Heated tobacco productsHeated tobacco products work by heating processed tobacco rather than burning it.
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Technology
Incandescent bulbsIncandescent bulbs produce light by thermal radiation.
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Technology
Induction cooktopsAn induction cooktop generates heat through electromagnetic induction.
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Technology
LED bulbsLight comes from a semiconductor diode by electroluminescence, with no glowing filament.
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Household chemicals & care
Liquid soapA fluid cleanser built on synthetic surfactants, from a bottle or a pump.
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Household chemicals & care
Manual toothbrushRemoves less plaque by meta-analysis; in an abrasion experiment it removes a third as much dentin.
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Technology
Mechanical keyboardsMechanical keyboards register each keystroke through an individual spring-loaded switch beneath every key.
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Technology
Membrane keyboardsMembrane keyboards register keystrokes through stacked flexible layers rather than discrete switches.
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Household chemicals & care
Mineral-filter sunscreenThe filters reflect and scatter UV; in most studies they do not pass beyond the outer layer of the skin.
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Tobacco & nicotine
Nicotine pouchesNicotine pouches are small, pre-portioned sachets placed under the lip that contain no tobacco leaf.
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Cookware
Non-stick coated cookwareMetal under a fluoropolymer layer: the coating keeps food from sticking and releases plastic particles into it.
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