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The use for trade of the following equipment must comply with the requirements of Schedule 6— (a) water meters for the supply of potable water in the temperature range from 0.1°C to and including 30°C; (b) measuring systems which are used for the continuous and dynamic measurement in a quantity not exceeding 100 litres or 100 kilograms of a liquid fuel, lubricant or a mixture of fuel and lubricant other than— (i) liquefied petroleum gas; or (ii) liquefied natural gas; (c) measuring systems (other than one used in connection with the refuelling of aircraft, ships or hovercraft) which are used for the continuous and dynamic measurement in a quantity exceeding 100 litres or 100 kilograms of liquid fuel delivered from a road tanker other than— (i) liquefied gases; (ii) lubricating oils; (iii) liquid fuels of a temperature below -153°C; or (iv) liquid fuels of a dynamic viscosity exceeding 100 millipascal seconds at 15°C; (d) automatic catchweighers; (e) automatic gravimetric filling instruments;; (f) automatic discontinuous totalisers; (g) automatic rail weighbridges; (h) beltweighers; (i) material measures of length; and (j) capacity serving measures.