Solar installations and systems, solar thermal installations and systems and photovoltaic installations and systems and parts therefor, in particular solar cells, solar modules and inverters, and wafers (silicon slices); machine-readable markings and codings (included on data carriers), in particular in the form of laser marking and coding of solar cells and silicon slices with information relating to quality assurance, forgery protection, authenticity testing and for optimising any redress procedures and for the purpose of servicing; readers and scanners for the aforesaid markings and codings

Providing access to online information and/or telecommunications connections to a computer database