10,5

20,3

30,1

Keep a distance

ofm in.3m

Based on a visualangle

of one m inute

20

70

20

15

20

10

Źródło: Statista

10,5

20,3

30,1

Keep a distance

ofm in.3m

Based on a visualangle

of one m inute

20

70

20

15

20

10