What does the sign A-21b indicate?
A - due to works.
B - due to the projection of gravel.
C - to the left with double hand.
D - to the left in one...
What does the sign A-21b indicate?
A - due to works. B - due to the projection of gravel. C - to the left with double hand. D - to the left in one direction. E - on the left side. a) A b) B c) C d) D e) E