ISO 4306 establishes definitions in English, French and Russianfor the most commonly usedterms in the field of cranes. This part of ISO 4306 gives thegeneral definition of a tower craneand illustrates the terminologyused with each type of towercrane by the use of figures withreferenced term numbers. It is applicable to tower cranes that can beassembled and dismantled; permanently erected towercranes; It is not applicable to mobile boom cranes whichmay be fitted with a towerattachment; erection masts, with orwithout jibs.