City at Night

SPEFSM is a 5+1 method behind Leading Oneself as part of the Leaders Operating System and featured in the book Leavers To Leaders.

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Construction in Country Side

The European languages are members of the same family. Their separate existence is a myth. For science, music, sport, etc, Europe uses the same vocabulary.

The languages only differ in their...

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Making Tall Buildings

The way they are constructed, makes double hung windows very popular. Cleaning double hung windows are easier than windows based on a spiral or string system because they won’t allow the sash to...

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