4. Australian Laser products are classified according to their capabilities; I want you to outline the classification of lasers and provide appropriate references to the relevant Standard/s.

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5. What is the AS that needs to be considered for Environmental Management Systems?

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6. An Electrician has installed 1.5mm electrical cable for multiple new power points in a building.

Is the 1.5mm cable appropriate for this purpose and if not - what cable should have been used? Please provide an AS reference.

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7. The smoke alarms in a domestic house are 11 years old. They have been tested by a qualified smoke alarm tester and pass testing. Should the smoke alarms be replaced and what is the requirement in the event a smoke alarm is triggered. Please provide a reference for your answer.

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8. Cable ties are used for many purposes along with their primary use which is to tie and retain cables. A trades person has used black plastic cable ties to tie down a ladder to the roof racks of their vehicle. Is this a good practice or shouldn't cable ties be used for this purpose? Please reference your answer.

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9. `An electrician is mounting cables that are fire-rated to a cable tray that is mounted under the floor of an office building. They are using black plastic, heavy duty cable ties to secure the fire rated cables at 1 (one) metre intervals. Is this best practice? If not, what type of cable ties should the electrician be using? Please provide an explanation and reference.

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10. Biomedical engineering safety triangle links a number of factors. These include safe procedures, safe installation and safe equipment. Please provide the AS/NZS for each of these factors and how discuss which is the correct standard for safe equipment.

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11. Area locations under Biomedical Engineering may be classified as a 'Body Protected Area' or 'Cardiac Protected Area'. Describe what 'Body Protected Areas' and 'Cardiac Protected Area' are. What signage used to indicate each area?

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