Asbestos was an essential construction material in the past. Most of the houses that were built before 1980 in the country either have asbestos or asbestos-containing materials (ACM). While the use of asbestos in construction started declining in the 1980s, it was only in 2003 when the material was banned from use in building throughout Australia. Time and again, traces of asbestos have been found in many homes around the country.
- Keys that come with a "do not duplicate" stamp can be safe and offer an added level of security. Obtaining key cutting services to get a copy of such keys is prohibited by law. However, even if it would be illegal, a locksmith can cut such a key. It is just more costly and time-consuming to produce such a key. The fact that you can copy a restricted key makes some people question how much added security they provide.