ballast in a quantity both less than F11 tonne and less than one cubic metre,

any sale with a view to its industrial use of ballast of any description mentioned in paragraph 1 (b), (c) or (d) above,

any sale in the case of which the buyer is to take delivery in or from a ship,

any sale as a whole of ballast produced in the demolition or partial demolition of a building where the buyer is responsible for the removal of the ballast from the site of the building, and

any sale in the state in which it was produced of clinker or ashes produced as a by-product, or of any other ballast produced as a casual product, of the carrying on of an industrial process on any premises or of the mining of coal where the buyer is responsible for the removal of the ballast from those premises or, as the case may be, from the colliery tip.