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Solid is one of the four fundamental states of matter (the others being liquid, gas, and plasma). The molecules in a solid are closely packed together and contain the least amount of kinetic energy. A solid is characterized by structural rigidity and resistance to a force applied to the surface. Unlike a liquid, a solid object does not flow to take on the shape of its container, nor does it expand to fill the entire available volume like a gas. The atoms in a solid are bound to each other, either in a regular geometric lattice (crystalline solids, which include metals and ordinary ice), or irregularly (an amorphous solid such as common window glass). Solids cannot be compressed with little pressure whereas gases can be compressed with little pressure because the molecules in a gas are loosely packed.
The branch of physics that deals with solids is called solid-state physics, and is the main branch of condensed matter physics (which also includes liquids). Materials science is primarily concerned with the physical and chemical properties of solids. Solid-state chemistry is especially concerned with the synthesis of novel materials, as well as the science of identification and chemical composition.

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  1. Inverness

    Co alarms for rented property

    Any idea if open fires is compulsory to have a co alarm fitted? When I do landlord gas certificates and safety checks. I always fit a co alarm near the boiler also near the cooker too. Also does this year they want do alarms fitted through mains instead of battery.
  2. W

    Removing a solid fuel back boiler

    Looking for a bit of advice... We want to remove an old solid fuel back boiler to install a multifuel stove with back boiler. Our current Grant back boiler is connected to both radiators and hw tank (piped in place of immersion) Is there any way of disconnecting the heating circuit to...
  3. C

    Solid Fuel Boiler for 16 radiators and heating water

    About 10 years ago we made 2 joining properties into one, joining all the plumbing and electrics. Our AGA SF55 solid fuel gravity fed boiler wasn't strong enough to pump 16 radiators so we installed 3 storage heaters that we run off ecconomy 7 as well as having the boiler for heating the...
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    • Thread
    • about boiler central heating system oil radiator radiators rough solid solid fuel water
    • Replies: 7
    • Forum: Plumbing Jobs | The Job-board
  4. U

    Wax ring installation

    Installed new wax ring today. Flage appeared to be ok. Thought everything went well but it is still leaking. What could be wrong?
  5. M

    Fixing through dot and bab plasterboard

    Do other people get the plasterer to dab out solid in areas were you will later require fixings on a dot and dab wall? So you don't break the plasterboard when screwing through to the wall behind it.
  6. S

    U/floor heating

    Just brought a property and I was thinking of putting underfloor heating on. we don't normally get involved in it. i have a combi boiler and I'm renewing the kitchen also. If it were to be done it would have to go on top of a solid floor. currently there are radiators throughout. just...
  7. T

    Heating problem with solid fuel

    Hi can anyone help me I have a solid fuel Central heating system,the issue is that all of a sudden 3 bedroom radioators won't heat up the other 2 rads in the bathroom and hallway work fine as do the rads downstairs,no air locks in the rads so don't know what the problem is,if anyone could help.
  8. W

    solid fuel pipe stat problems

    Hi all, im having trouble with my solid fuel system. Its been repiped twice (as upstairs rads weren't connected to the pump)and secondly repiped at the stove to try and stop the back boiler kettling before the pump had a chance to kick in. I've lit the fire last night and the kettling is...
  9. Inverness

    honey well motorised valve without a manual lever

    As anyone came across a motorised valve without the manual lever? I had one with was a honey well 28 mm the merchant said it's for back boilers and they open up when a power cut has occurred. They are hard wired in. Can someone explain there purpose and where there location is on a heating...
  10. M

    windhager am i getting old ?

    Has any body had any experience with a winhager pellet boiler ? I am a retired plumber so pretty well knowledged but this is one thats making me think i am renovating my barn. I have contacted windhager but they not very helpfull Scenario Boiler windhager exclusive model bwe260 bought...
  11. W

    What do you use to protect wall/skirting when drilling solid walls?

    Say for hanging rads on solid wall nicely plastered and painted?
  12. A

    flexi pipes vs solid pipes

    Hello My bathroom has had solid copper pipes to all the taps, but my plumber is replacing it with flexi, after i asked for them to replace the stuff. Am i being ripped off with an inferior service? flexi will leak sooner or later will it not. regards
  13. A

    Help - identify this tap....

    Hi, I have a drippy tap, and I need to identify it so I can buy a new insert. Can anyone help with an ID? It cost about £350 about 5 years ago.
  14. P

    Suprima solid red light

    Hi guys got this issue with a suprima, the red light constantly stays on even after resetting it.the pump runs and there is live on swl. the pump was installed by another engineer who was there before I went to check on the boiler fault. basically all the wiring was wrong on the y plan so I done...
  15. J

    Solid fuel sealed system claim on ebay auction

    Surely this is incorrect saying these woodburners can be used on unvented(i think he sealed system). Because it is rated to 2 bar. This is wrong isnt it. You cant use solid fuel on a sealed/unvented surely as you cant control the heat source Nero Lux Back Boiler 16kw Multi Fuel Wood Burning...
  16. P

    solid fuel inset stove heating an old redfyre back boiler?

    Hi all, and thanks for reading my question! I have an old 16" fireplace that houses a lovely perfectly working old redfyre back boiler that after a few hours of burning coal and wood,produces loads of very hot water, however the fire doesn't throw much heat in to the room, could I in...
  17. M

    Solid fuel stove and combi?

    Just had a customer email saying that he would like to connect a solid fuel stove up to his combi for heating and wondered if it was possible? I said not 100% sure and if it was possible I don't think it would be financially viable as I would of thought that you would have to connect the...
  18. C

    solid fuel heating

    ive got a call coming up in work to go and fix a solid fuel heating system , log burner runs a gravity indirect hot water cylinder and a pumped open vent heating system run with a hi - lo limit stat to run the pump to circulate the water to the rads. the problem is that the heating wont work...
  19. E

    Connecting Solid Fuel Systems

    Been to quote a job that has recently had a new wood burner fitted with pipe work to a new cylinder thats controlled by two pipe stats and a pump for the heating side of things. Whats the options for adding a boiler to this type of system? Something I've never had to do for some reason and...
  20. B

    Oil heating and solid fuel linked ?

    Can I somehow link either a woodburner or a solid fuel boiler into an oils system in a sensible way ? My old farmhouse had a straw and pallet burner linked with an oil fired rayburn along with a woodburner ! You could boil the whole system . My old plumber marvelled at how the guy had made it...
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