1.1 This standard applies to self-propelled seated rider operated variable reach trucks intended to handle loads of all kinds using one of the attachments listed in 3.10 - 3.11 - 3.13 - 3.14 - 3.15 - 3.16 - 3.19 - 3.20. It does not cover the lifting of persons by any attachments, in particular by work platforms. Machines with variable length load suspension elements (chains, ropes etc) from which the load may swing freely in all directions are not covered in this standard. It applies to the handling of series 1 freight containers of length 6 metres with the dimensional and securing characteristics as specified in ISO 668 and ISO 3874.