Safety with specific products Information about buying and using particular products that are known to pose potential safety risks. In this section Toughened glass Product Safety While toughened glass is tough and long lasting, it does sometimes shatter. Ladders Product Safety Ladders pose a risk of injury if not used, stored and maintained properly. Wheat bags Product Safety Wheat bags pose a risk of fire or injury if not used properly. Hot water bottles Product Safety New hot water bottles that don't meet the specified version of the British Standard are banned under an Unsafe Goods Notice. Formaldehyde in clothing Product Safety Formaldehyde is used in a variety of industries, including the textile industry. We recommend washing and airing new clothes before wearing them. Button batteries Product Safety Button batteries pose serious and potentially fatal risks if swallowed. Insertion into the ears or nose can also have serious consequences. High-powered magnets Product Safety Small high powered magnets can pose serious health risks if swallowed. Some of these magnets are now banned from sale in New Zealand. Super-absorbent polymer beads Product Safety Super-absorbent polymer beads may present a choking risk, particularly to children. Home mechanics and asbestos (advisory) Product Safety Home mechanic servicing may expose you to asbestos fibres, particularly when working on brake pads or shoes, gaskets and clutch plates.