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Dambisa Felicia Moyo (born (1969-02-02)2 February 1969) is a Zambian-born economist and author, known for her analysis of macroeconomics and global affairs. She serves on the boards of Chevron Corporation, Condé Nast and the 3M Company. Moyo worked for two years at the World Bank and eight years at Goldman Sachs before becoming an author and international public speaker. She has written four New York Times bestselling books: Dead Aid: Why Aid Is Not Working and How There Is a Better Way for Africa (2009), How the West Was Lost: Fifty Years of Economic Folly – And the Stark Choices that Lie Ahead (2011), Winner Take All: China's Race for Resources and What It Means for the World (2012), and the most recent Edge of Chaos: Why Democracy Is Failing to Deliver Economic Growth – and How to Fix It (2018). In May 2021, she released her first business book How Boards Work: And How They Can Work Better in a Chaotic World. She holds a bachelor's degree in chemistry and an MBA from American University, an MPA from the Harvard Kennedy School, and a DPhil in economics from the University of Oxford.

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  1. X

    Vaillant VRT 392 Thermostat (wired) not working

    Hello, my Vaillant VRT 392 Thermostat just stopped working, it's completely dead, I read another thread suggesting changing batteries, but this model does not use batteries, it's wired to a Vaillant control center VR65 with eBUS, my boiler is Vaillant ecoTEC plus 624, anyone can help identify...
  2. K

    One burner on gas hob not working

    How would you classify this for a LL cert?
  3. A

    Hot water OK, CH not working!

    I have a Potterton Promax combi 28HE Plus A. Hot water fine, heating not working. If I remove the diverter motor and press the valve manually, the radiators heat up! I have replaced the motor (diverter valve) and the PCB. The thermostat is a Danfoss wireless RET B-RF conected to a Danfoss RX 1...
  4. M

    my mum left tap running

    my 85 year old mum left hot water tap running and boiler on full with window open for 3 days now boiler wont work any ideas
  5. dips31

    Ground floor heating not working.

    We shifted to a new house with 3 floors. The boiler is in the attic. We have problem with the ground floor radiators which is not heating at all. When we shifted a plumber removed one radiator in the ground floor we are not sure if that is the reason. Its a one pipe heating system. So many...
  6. C

    URGENT New Riello rdb oil pump not working.

    Hi all, all new to this breakdown life, currently waiting on getting on a training course, so just been relying on technical and instructions since I passed my oftec. The current boiler is a two pipe line off a tiger loop. I went to a Grant vortex boiler last week where the boiler went into...
  7. A

    Domestic Booster Pump Not Working in Auto Mode

    Hi there. I was wondering if anyone had any thoughts or experience with using Domestic Booster Pumps to raise the pressure of the hot water in your kitchen tap. Any feedback would be appreciated here. I have installed one of these in my kitchen to increase the flow of hot water to my sink which...
  8. W

    Baxi Bermuda 45 back boiler not working

    Hi All New to this and a little green around Gas boilers.. So, a house I’m in possession of has an old and trusty Baxi Bermuda 45 back boiler which worked perfectly fine until I isolated the gas supply from the meter box.. After a couple of months and with the weather getting colder, I’ve went...
  9. G

    Firebird Combi CH Not working

    Evening Gents. That time of year again the wife has demanded the CH Be turned on. However, im having an issue with it - It simply isnt turning on. The LED On the front panel illuminates to suggest the CH Has been turned on by the boiler, but nothing happens. The HW works perfectly normal. If...
  10. M

    Geberit Duel Push Button for Cisterns not working

    Hi, my Geberit duel push button has stopped flushing the toilet. When either button is pressed a small amount of water is released but not enough to flush the toilet. I have removed the plate holding the unit and pulled the 2 plastic tubes away. By blowing into the tubes the system flushes so I...
  11. B

    Shower set - button not working water running constantly

    hello i have bought a new shower kit which has a shower value with twin output. one for ceiling head one for hand use. when the water supply is turned on water comes out both places and the on off switch does not work. The switch has 3 dials: left is ceiling, up is off and right is hand looks...
  12. W

    Vitra dual flush plate push buttons not working

    Hi all, I wonder if any can help? I have a vitra dual flush plate model name is 'loop'. All of a sudden the press buttons don't work (don't flush) They still spring back but don't appear to be pushing against anything. Any help would be very much appreciated. David
  13. G

    Bathroom tap not working

    After a warm shower my bathroom cold tap sometimes won’t turn on any ideas what could cause it? I still have water downstairs
  14. J

    Grundfos Sololift 2 WC-1 not working

    I have a grundfos sololift 2 wc1 macerator that isn't working. It's about 3 years old. When the toilet flushes the bowl just fills up but the motor does not kick in. There is power going to the unit, The macerator motor/pump turns freely. I took the motor apart in the hope that there may be...
  15. gavdtra

    Switches not working

    The on off timer switches on this don't work. I'm guessing there is a way to put it on timer mode instead of having to switch it on and off manually. Any ideas?
  16. C

    3 Radiators Not Working

    Hello all, I'm hoping someone out there may be able to help as I'm gong around the bend trying to understand why only 3 radiators won't heat up! My story: Around September 2021, 2 of the 3 radiators were not working and since the cold weather was coming and since the boiler usually gets it's...
  17. B

    Diverter shower head not working - pls help :)

    Hi all Please can someone help me throw some light on a problem I have and how I can resolve it? I have changed my electric shower (Triton T80 GSI 10.5KW) from a standard handset to a Ibergrif diverter with handset and rain head. Please see pictures attached. However upon installation the...
  18. B

    Central heating not working

    Hi, I am hoping someone might have some advice for me. We have woken up this morning to no central heating. We do still have hot water. It's a green Star junior boiler. The blue light comes in and stays on, the green light comes in then goes off. The pressure seems fine. We are very much not...
  19. G

    Radiator Not Working Consistently

    Hi all, Just found this forum and it looks great! Forgive me if I could have found this answer by looking longer—I've searched for a while. I am in a cold walk-up apartment on the 4th floor of a turn-of-the-century building in Brooklyn. Not sure how old the heating/boiler system is. In my...
  20. P

    Hissing pipes filling loop not working

    I hope you can give me some advice. The day after a pump replacement last week, on my Halstead ace, the boiler and pipes made a hissing noise when the hot water taps were used - a noise like when the pressure is too low- this continued when the taps were turned off and until the boiler stopped...
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