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Accounting policies (Tables)

12 Months Ended

Dec. 31, 2023

Disclosure of summary of significant accounting policies [abstract]

Estimated Useful Life of Assets

Depreciation is calculated on a straight-line basis over the estimated useful life of the assets as follows:


Buildings and improvements on freehold land	:	50 years
Leasehold buildings and improvements	:	50 years or period of lease, whichever is shorter
Plant, machinery and equipment	:	2 to 20 years
Office furniture, fittings and equipment	:	2 to 20 years
Motor and transport vehicles	:	4 to 11 years

Disclosure of detailed information about intangible assets useful life

A summary of the policies applied to the Group’s intangible assets is as follows:


		Trademarks		Technology know-how		Development costs
Useful lives		Indefinite		5 -10 years		*
Amortization method used		No amortization		Amortized on a straight-line basis over the period of the technology know-how		*
Internally generated or acquired		Acquired		Internally generated		Internally generated

* Development costs relate to on-going development projects that have not been completed and are not available for use.