add("scale", &Loader::scale);
add("track", static_cast<void (Loader::*)(unsigned)>(&Loader::track));
add("track", static_cast<void (Loader::*)(ArticleNumber)>(&Loader::track));
+ add("track_technique", &Catalogue::track_technique);
add("vehicle", static_cast<void (Loader::*)(unsigned)>(&Loader::vehicle));
add("vehicle", static_cast<void (Loader::*)(ArticleNumber)>(&Loader::vehicle));
}