Size and type of gas contained in the envelope.
The phrase 'good to you' can be an adverbial phrase as something is being nice or good to you; e.g. "The new teacher has been good to you". The words 'good for you' are an adjectival phrase as in...
There are two common types of Airship: The ridged airship that the Zeppelin of the 1930s was The blimp.
IDK. why are you asking me?! heheh. im just a hermit trapped in a box who dreams about world PEACE. :) luvya
they would have different names and rulers