How is an agricultural machine wider than 340 cm marked?

1. AThe machine shall be marked with a white triangle at the front and a white triangle with red edges at the rear.
2. BWith a sign at the rear of the machine reading "Caution, projecting load", and during lighting hours, light-reflecting triangles shall be placed.
3. CA sign reading "Caution, wide vehicle" is installed at the front of the machine, and during lighting hours, width lamps are installed on it.
4. DThe machine shall be marked with flashing yellow width lamps visible from a distance of 150 metres, by day and by night.

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