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size

Size in general is the magnitude or dimensions of a thing. More specifically, geometrical size (or spatial size) can refer to linear dimensions (length, width, height, diameter, perimeter), area, or volume. Size can also be measured in terms of mass, especially when assuming a density range.

In mathematical terms, "size is a concept abstracted from the process of measuring by comparing a longer to a shorter". Size is determined by the process of comparing or measuring objects, which results in the determination of the magnitude of a quantity, such as length or mass, relative to a unit of measurement. Such a magnitude is usually expressed as a numerical value of units on a previously established spatial scale, such as meters or inches.
The sizes with which humans tend to be most familiar are body dimensions (measures of anthropometry), which include measures such as human height and human body weight. These measures can, in the aggregate, allow the generation of commercially useful distributions of products that accommodate expected body sizes, as with the creation of clothing sizes and shoe sizes, and with the standardization of door frame dimensions, ceiling heights, and bed sizes. The human experience of size can lead to a psychological tendency towards size bias, wherein the relative importance or perceived complexity of organisms and other objects is judged based on their size relative to humans, and particularly whether this size makes them easy to observe without aid.

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  1. J

    Oil Burner Housing Lock size

    Hi I'm new here so hopefully I have posted this in the correct section. I have oil fired central heating with small galvanized housing outside which houses the boiler and oil burner. The oil delivery man had to bleed the system last time and I lost the key so we forced the door off. I'm looking...
  2. W

    How gospel is the max core bit size rating for core drills?

    My mate has borrowed mine and I'm worried he might be using it for hole bigger than the 127mm max rating.
  3. C

    Size matters, even in radiators.

    Hi, I hope someone can help me out on this one, I recently bought a house that's approx 30 years old and I'm working my way through it bringing stuff up to date. The radiators {flat panel} are probably the original ones but I can't fathom if they are Imperial or Metric sizes, most of them are...
  4. G

    Odd size tap cartridge

    Went to a call out today for a bath tap that was stiff and not opening, took it apart and it's just a normal looking valve. Got a new one to put in but was too slim so didnt screw into the threads. Put on the conversion piece, went to put it in again but this time it was too wide. Anyone ever...
  5. ShaunCorbs

    guess the house size

    guess the house size of said boiler below and what size boiler does it need :D first to guess gets a cookie/ a like
  6. C

    What size boiler do I need?

    I am a newly registered gas engineer and I am getting a quote together for a job in an industrial unit. There is an old floor standing boiler, which runs 11 rads. It is roughly 21 meters to the furthest rad. The customer would like to fit a Worcester Bosch Combi boiler but I am unsure what size...
  7. M

    Unusual size fittings??

    Hi all. Do any of you know where to get a 5/8th test nipple? And 5/8th to 1/2inch bushes?
  8. L

    could someone tell me what size connectors these are

    They are for the bath I have taken out, I need to get some longer connectors. Why have they used 2 different size pips and what are the sizes of the flexi connectors, the bore looks different. Thanks
  9. M

    Flue clamp studding size..

    Anyone know what this is and if it will fit into a female munsen ring back plate? Need to make the studding a couple of inches longer and clamps are at site and I am on way to merchants now. Cheers chaps
  10. A

    Lockshield size

    Hi guya had a job yesterday that could't be completed. 2 lockshields needed changing, it's small pipe. I had 2 10mm lockshields on and these were too big. Can't seem to find smaller, anyone know where i might get some?
  11. L

    Radiators increased from singles to doubles. Need to increase pump size ???

    Afternoon each A friend of mine recently bought a bungalow and increased most of the radiators from singles to doubles. The existing pump, a WiloGold RS60, is very noisy and vibrating and needs replacing. Yesterday it was suggested he replace the failing pump with a Grundfos UPS2 15-50/60...
  12. L

    Pipe size from flow master pressurised system

    Hi everyone, I joined this forum for some professional advice. Can anyone tell me please how far the 22ml pipe should run from a flow master tank on a pressurised system. The person who installed has fitted only 12inches before reducing it - is this ok?
  13. P

    Toilet pan connector leak - non-standard spigot size?

    First-time poster and plumbing ignoramus, so please be kind.... I have a leaking toilet pan connector. The leak started when there was an old Multikwik connected. I called a plumber and he tried a few different connectors and they all leaked. He said the spigot coming out of the toilet pan...
    • pulck
    • Thread
    • bathstore connector leak oil pan pan connector right size spigot standard toilet
    • Replies: 35
    • Forum: Plumbing Jobs | The Job-board
  14. D

    What size flexible oil hose on Danesmoor 15/19?

    Does anybody know off the top of their head what size flexible oil hose is required for the above boiler? Father in law informs me his is leaking (or at least thats where he thinks its coming from) so I'd like to pick the right one up to avoid two journeys if it is that at fault.
  15. J

    small chrome waste pipe size??

    anyone come across that small chrome waste thats less than 1.25'? need a fitting for it but dont know the size.
  16. Robert Tyrrell

    Nozzle size

    Ive just landed a job installing an oil tank to provide supply to a Camray Boulter 5 Combi and in the MI (Because I will have to service the boiler as well) it mentions nozzle sizes of 0.85 x 60°W but I can't find any. Does anyone know where I can get one, or what the equivalent might be?
  17. P

    What size of copper pipe?

    Hi, Now i'm not a plumber but have been plumbing in my house for years so happy to move pipework, install bathrooms etc. My next project is to install 3 new radiators in 3 rooms which have previously had electric storage heaters. The radiators will be feed off the main boiler in the house which...
  18. S

    Mystery pipe size??

    Right, leaking CH return pipe today,in the bathroom floor combi boiler in bathroom cupboard, lifted boards, looked like 28mm copper, cut it out with recip saw as it was too tight for a slice, pipe was slightly too big for end feed coupler to go on. took it to local pipecentre, bloke in there...
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