Etymology: The term "roller container" has been introduced in the English summary of the DIN standards that refer to the prominent feature of steel wheels - such wide wheels are commonly known in English as rollers. It does also refer to the verb "to roll" which has the same meaning in German - the particle "ab-" in German "abroll container" designates downward/pushback operations so that the German Abrollcontainer is sometimes translated to English as "roll-off container". The DIN standard uses the German term Abrollbehälter where the generic Germanic "behälter" has replaced the Romanic "container" - the latter is more associated with transport containers in the German language so that the ACTS designation has picked up Abrollcontainer instead of the synonymous Abrollbehälter. With Abrollcontainer associated to transport systems the various Abrollbehälter types are usually denoting firefighting equipment. In British English the firefighting containers are generically called "demountable pod" or just "pod" for example "foam pod" and while being a generic term these are universally roller containers as well. There is an additional term "hooklift container" that is related to the common designation of the hoist gear on trucks used for roller containers to be called "hook lift". This has influenced languages like Dutch where the truck is called haakarmvoertuig (hook arm vehicle) and the container being a haakarmbak (hook arm pod). These terms refer to the level arm that matches with the grip hook on the container to lift it from the ground. Note that the term hooklift container may refer to any container type with an additional hook bar which does not necessarily include roller wheels - this includes the NATO standard STANAG 2413 variations of 20' ISO containers having an additional hook bar