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materials

Material is a substance or mixture of substances that constitutes an object. Materials can be pure or impure, living or non-living matter. Materials can be classified based on their physical and chemical properties, or on their geological origin or biological function. Materials science is the study of materials and their applications.
Raw materials can be processed in different ways to influence their properties, by purification, shaping or the introduction of other materials. New materials can be produced from raw materials by synthesis.
In industry, materials are inputs to manufacturing processes to produce products or more complex materials.

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  1. J

    General advise on plumbing tools and materials

    I am renovating a house, which currently has no plumbing. Attached is the design for the house. I'm getting a plumber to fit the boiler and core central heating zones. I am fitting the bathroom, kitchen and radiators. I was planning to use PEX, but I am struggling with availability of...
  2. K

    Baxi 400/600 materials issue?

    I've recently noticed some of the 'new' baxi boilers' cases going a bit yellow and am concerned that they're not UV stable and are going to start crumbling sooner or later. Replacing a condense elbow today that has turned into what I can only describe as plasticine has only added to my concerns...
  3. M

    builders recycling marketplace selling reclaimed materials

    Experienced builder and sons launching new London based website with customers and tradesmen able to buy and sell left over/unused building materials and tools on our recycled marketplace website. Tradesmen and customers will be able to register for free. Posting items for sale will be free. We...
  4. DripsnDropsBognor

    Materials for back filling water mains trench?

    Hi Boys and Girls, I am splitting currently supply inside into 4 and upgrading old 1/2 galvanized supply from the street into building without breaking pavement into waterboard stopcock. I am using a moling company to bore pipe in through a trench I have dug out. I have agreed to make good hole...
    • DripsnDropsBognor
    • Thread
    • america filling mains management materials usa water water mains
    • Replies: 3
    • Forum: USA
  5. the_d_o_t

    VAT question on the flat rate scheme in relation to charging for materials

    Hi Guys i just want to double check before i go ahead that i have this right, i have just gone on the flat rate scheme for vat and i have just realised that if i pick up and make purchase of a boiler for say £1000 from my supplier and only charge the customer the £1000 that i paid for it...
  6. Eyespy999

    Mark up on materials from merchants and online purchases

    Evening guys, Hopefully this is the right forum to discuss this if not much apologies. My work is picking up and want to be competitive but also the business needs to pay its way. I have worked hard to develop a good relationship with the local merchants and my terms I think are fair. I am...
  7. Scott_D

    Tax, CIS and materials

    Got some work to do for a builder who wants to deduct 20% at source Im fine with this for labour but what happens about materials that I Buy?
  8. W

    Tax return materials connundrum.

    You declare your income and you submit all your material receipts. But most people end up with a lot of materials on the van. They already claimed the full cost of which offset against their earnings. Presumably this evens out because you then use them up next year, have less material receipts...
  9. Stigster

    D2 Discharge Pipe Materials

    Hi Everyone, I have been asked by a student if any manufacturers have had their plastic pipe approved for use on the D2 discharge pipe of an unvented cylinder? I know about the HepVO method and using pushfit waste pipe to a stack - provided the stack is able to take this type of discharge - but...
  10. U

    Buying materials in bulk

    Hi everyone. New to the forum I'm interested to know if anyone buys materials in bulk and how you go about it. Either buying in bulk direct from local merchants with discounted prices or buying online. My local merchants don't seem too interested in offering better rates buying in bulk, how...
  11. M

    Complaining about materials..

    An age-old problem it seems... Ever been so angry you carved a complaint into stone? | The Poke
  12. T

    CIS Scheme

    Really sorry for the long, probably stupid question................ After a bit of advice about dealing with the CIS scheme from both sides of the fence please. I did a job for someone the other day and he wanted to pay me the invoice amount but less tax. From a brief look on the www it...
  13. D

    New gas pipe. Materials and fittings.

    I will be getting a mate who is a gas certified installer to run a new gas pipe for a range cooker from my garage (where the gas mains is) through a couple of internal walls and under the suspended timber floors to my new kitchen. He is doing it as a favour so I am trying to make the job as...
  14. F

    Pricing

    Would you guys consider this to be a fair price? Do you think my time allowance and costing is fair to myself and customer? Any other thoughts? its a full heating system, new pipework, pipes chased into walls for the drops, changing from gravity hot water to unvented, installing lpg cooker inc...
  15. T

    subcontracting and materials

    what do people generally think is acceptable to be expected to provide in terms of materials on site for subcontracting work. Reason i ask is there is a firm offering me some installs with most materials provided, i.e. boiler and copper, but want me to provide all waste pipe and fittings. I...
  16. P

    ACS revision materials and standards changes

    Hi Guys, Just a quick question really I was wondering does anyone have any ACS revision materials and what are the best books(currently have corgi 5th addition) with the latest standards changes in them? I know there is only one closed book(which was easy last time) but I just wanted to be a...
  17. A

    getting combi installed

    I am thinking of changing my conventional boiler to a combi. I understand the tanks in the attic have to be cut off and water tank done away with,pipes stop ended etc. but i am looking for a rough idea on cost for labour and materials excluding price of a combi as i will supply myself...
  18. J

    Pricing for jobs?

    Hey people. Currently coming to the end of my NVQ level 2 and hoping to move on to my NVQ level 3 soon after. One thing I've always wondered about is how to price for work? Starting to pick up hobbles here and there and getting asked for quotes all the time. Thing is I've never been with my...
  19. P

    Cis 20% deduction from materials cost

    Hello all Will be using sub contractors for first time soon and have read the CIS website info as much as time allows. Do i need to deduct 20% from the material costs that sub contractors invoice me for as well as 20% from labour? Any tips and advice appreciated Thanks
  20. K

    Job lot of Plumbing and Heating materials

    Having a good clean out of the shed I have the following materials surplus to requirements:- Glow worm condense pump boxed A2044800 Boss condense pump boxed 3 x Glow worm vertical flue adaptors A2024600 boxed Spirotrap boxed 4 lots of Glow Worm 45 bends boxed 2000460485 Quinn 600 x 900 SC...
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