“the Act of 1973” means the Hallmarking Act 1973;

“the Company” means the Sheffield Assay Office, of which the full name is The Guardians of the Standard of Wrought Plate within the Town of Sheffield;

“materials” includes liquids, gases, dusts, wastes and tangible and intangible substances of any kind; and

“the Order of 1978” means the M1Sheffield Assay Office Order 1978.