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Road dust

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Small particles (particle size PM2.5) give rise to the greatest risk and the most hazardous consequences, particularly in urban areas with the greatest exposure. Sources of small particles include large-scale dispersion of particles, traffic exhaust emissions, burning of wood, industrial emissions, …

Minor superficial microcracking can appear when tires get older or have been exposed to sunlight and other environmental factors for too long. These minor cracks do not have an impact on any driving properties of the tire and are only a visual defect. In case of deeper or more distinctive cracks or …