White Card Online is a course that increases safety on all work sites around Australia. But you should also know that owning an oh&s construction induction card increases the safety of the buildings that are being constructed by those with a white card who constructed them. As an example, the bushfire prone areas in NSW need to have construction tailored to that areas particular needs. This is seen in the webpage linked here, so check it out.
The White Card online course improves your safety and improves the safety of the structure being built. So the workers building the construction sites in NSW fire prone areas are all white card certified.