Mustafa,
The reference to screen height is potentially misleading - it only applies to OEI takeoff and only when TODA limited. The AEO case should be higher, typically 125-150 ft I seem to remember (depending on the number of engines actually running!!).
I have it on good authority that the CX photo is not uncommon TORA height and that having wheels still on the ground at the 450m to go markings is also not uncommon. Mind you, I am not sure that the latter example matches the OEI ground roll requirements.
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Stay Alive,
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