How many teachers does it take to change a light-bulb? Well hang on a minute! You can't go changing a light-bulb just like that. You need a plan - long, medium and short-term - or your method of changing the bulb will be in question. And of course, you need to be very clear what you are trying to achieve by changing it - that will need writing down and handing out to anybody who happens to be watching you change the light-bulb. Furthermore, some account will need to be made for the fact that the light bulb may not be very bright - you can't just discard it. You will also need to spend time assessing your procedure after the event, with a clear emphasis on taking the bulb-changing process to the next stage. Oh and there is the question of changing other bulbs on a voluntary basis after hours...
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