Rockfall dynamics are - especially the quantification of energy dissipation during the complex rock-ground interaction - largely unknown. Full-scale field tests have been performed to reinforce the physical understanding of debris flows and snow avalanches. Hazard engineers rely on a combination of best practices and, if available, historical facts as a vital prerequisite in establishing reproducible and accurate hazard zoning. The mitigation of rapid mass movements involves a subtle interplay between field surveys, numerical modelling, and experience. Nature Communications volume 12, Article number: 5546 ( 2021) More information is available in the Explanatory Statement on the Federal Register of Legislation website.The relevance of rock shape over mass-implications for rockfall hazard assessments 16 of 2010 (Consumer Product Safety Standard for Children's Projectile Toys).įrom 12 June 2022, suppliers must only comply with the requirements in the Consumer Goods (Projectile Toys) Safety Standard 2020. Up to 11 June 2022, suppliers have the option to comply with the requirements from either the Consumer Goods (Projectile Toys) Safety Standard 2020 or Consumer Protection Notice No. This mandatory standard includes a transition period to assist with the changeover to the new mandatory standard. WARNING: Do not aim at eyes or face Complying with the mandatory standard during transition phase If a projectile toy is capable of launching a projectile more than 300 millimetres or with a kinetic energy greater than 0.08J, the packaging or instructions accompanying the projectile toy must include a statement to the following effect: features to prevent improvised projectiles from being launched in a hazardous manner. #Projectile effects are a hazard in skin#
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