sturdiness in czech sturdiness in danish sturdiness in spanish sturdiness in french sturdiness in italian sturdiness in norwegian sturdiness in russian sturdiness in swedish sturdiness in belarusian sturdiness in estonian sturdiness in finnish sturdiness in greek sturdiness in hungarian sturdiness in lithuanian sturdiness in portuguese sturdiness in slovenian sturdiness in ukrainian sturdiness in polish sturdiness in albanian sturdiness in croatian sturdiness in bulgarian sturdiness in slovak