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the basic idea behind the copper bottom pot is that it will supposedly heat more even across the surface of the bottom on the pot\pan
The top surface of an airplane wing is curved to create lift. Because of the curve, air has to travel farther across the top of the wing than across the bottom; this creates a low-pressure condition that pulls the airplane into it.
If by "middle", you mean the center of the sphere (inside the core), then yes the magnetic density will be high, there, just as it is inside of a magnet. If you mean at the equator, then that is not the strongest place. If by "bottom", you mean the South Pole, the magnetic field density will be stronger at the poles (north and south) than any other place on the surface of the Earth.
the spindle inside the shaft is broke
A plane is a hand tool that has a sharp blade extending slightly below the bottom surface of the tool. The plane is pushed across the surface of a piece of wood and the blade removes a thin layer of wood from the surface.
The difference is the size of the hole in the center of the bearing. A 19mm bottom bracket will fit a 19mm crank spindle (profile cranks have a 19mm spindle). A 22mm bottom bracket will have a hole in the center that is 22mm. a 22mm spindle (eclat tibia cranks have a 22mm spindle) will fit in the 22mm bottom bracket. The size of the bottom bracket needed depends on the size of your crank's spindle size.
Fine sawdust occurs when wood is sandpapered.
Mouse
The bottom
near both magnetic poles
Surface?
bottom