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This article can be used to support teaching and learning of Health, Biology, and Chemistry related to smoking, bacteria, organic chemistry and cancer
Carbon monoxide in the breath was measured to indicate the number of cigarettes smoked in the past 24 hours
Key Evaluation Criteria Material Quality: Opt for food-grade, BPA-free plastics or medical-grade stainless steel to ensure product safety and durability
Filters have also been cited as a source of toxic environmental pollution [23, 24]
The glass display also includes the on/off icon, and the filter replacement iconwhich has a progress arc to let you know how much time is left on the filter (for example, when its at the halfway mark, we know weve used up 50 percent of the filter)
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