Paragraph 3 Flammable solids
(1)
A vehicle carrying the goods un 3175 solids containing flammable liquid, n.o.s.*—
(a)
may be open, provided it is sheeted; and
(b)
shall have adequate ventilation.
(2)
Suitable measures shall be taken to ensure that where a vehicle is carrying the goods referred to in sub-paragraph (i) above, none of those goods particularly any liquid components thereof, can escape.