Concrete block
7-6-080
A hollow or solid walling component manufactured from ordinary or lightweight concrete.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
7-6-080
A hollow or solid walling component manufactured from ordinary or lightweight concrete.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
ampere
International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM