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maintenance

Software maintenance in software engineering is the modification of a software product after delivery to correct faults, to improve performance or other attributes.A common perception of maintenance is that it merely involves fixing defects. However, one study indicated that over 80% of maintenance effort is used for non-corrective actions. This perception is perpetuated by users submitting problem reports that in reality are functionality enhancements to the system. More recent studies put the bug-fixing proportion closer to 21%.

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  1. T

    Central heating maintenance package that I have come up with, thoughts?

    Hey guys Recently acquired a sentinal jet flush machine for £110 quid which I think was a cheeky bargin I must say ;-) I was thinking of making up a sort of maintenance package Consisting of a boiler service and powerflush for around the 200-250 mark, including chemicals etc what do you think?
  2. J

    Wilo Flowson maintenance

    I have a Wilo Flowson pump which does not run. Is there a maintenance/ service proceedure to clear any blockage or hard water deposits?
  3. T

    Muro colour maintenance

    Anyone ever heard of this mob? been offered some contract maintenance work paperwor they sent through looks okay and the rates are fair. Trouble is I have a deep mis-trust of some of these firms but work is short just now could do with some easy stuff to keep the cashflow.
  4. N

    london plumbing maintenance by cycle or tube train

    hi all moving to london next month to set up my gas/plumbing biz on a shoestring of £100 any ideas on what part of londonn to launch in for one man band, should i commmute by cycle or tube or van? is central ondon best for gas and plumbing maintenance, how should i market, social media...
  5. B

    Brilliant Gas Services - A Solution For Boiler Maintenance

    Greetings! It feels a sense of pleasure in Introducing ourselves as a Boiler insallation & plumbing services company of Milton keynes. establishment in 1999 Hope to catch up more here. Thanks
    • Brilliant_gas
    • Thread
    • boiler boiler maintenance brilliant gas maintenance oil services solution
    • Replies: 7
    • Forum: Plumbing Jobs | The Job-board
  6. C

    maintenance on 1 boiler

    I have been asked to maintain a boiler,its in a not used office,and i go there once or maybe twice a month to check what sort of yearly price would this be to quote?
  7. M

    Heating system maintenance

    I have a question about heating systems and looking after them. I rent out a few houses and 2 boilers have just gone down on me and i think if i had been a bit more proactive these problems wouldnt happen. So what should i do with regard to the systems every so often ? They are all combis...
    • marsaday
    • Thread
    • boilers drain heating heating system hot magnaclean main maintenance problem system tips water web
    • Replies: 3
    • Forum: Plumbing Jobs | The Job-board
  8. R

    Petition to lower the VAT on repair and maintenance materials

    Hi everyone. Sorry for the random posting, but I am looking for your help! I am currently working on petitioning the government to reduce the VAT on building and repair materials to 5% from its current 17.5% status. What would this mean? A reduction of VAT to 5% in this area would not only...
    • rossfraser2020
    • Thread
    • boiler boilers building condensing difficult eco industry install listed lower main maintenance materials repair scrappage scheme supply waste
    • Replies: 8
    • Forum: Plumbing Jobs | The Job-board
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