At starting point it worked on square region much smaller then odd square meter (!!!), even less then sq. centimeter, and cubature not more than odd cubic meter, later little more, but not much (maximum several hundreds sq.m., most times less).
Katika kuanzia ni kazi juu ya smaller.These mraba kanda kiasi kisha isiyo ya kawaida mraba mita (!), hata chini kisha sq sentimita, na si cubature Zaidi ya mita za ujazo isiyo ya kawaida, zaidi kidogo baadaye, lakini si sana (upeo kadhaa mamia sq.m., mara nyingi chini).