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This density parameter also provides insights into a particles shape, whereby a homogeneous, spherical particle has a constant effective density equivalent to its material density and a fractal-like particle, such as soot, has a size-dependent effective density lower than its material density

Conclusions While the alternative tobacco product use has become increasingly popular, the pulmonary health effects resulting from the chronic inhalation of aerosols emitted from these products when compared to smoking combustible tobacco cigarettes are unknown

Ignoring proper humidity balance can result in serious manufacturing and quality issues: To minimize these problems, regular maintenance and humidity audits are essential

A person can measure the humidity of a room with a hygrometer