Earth is related to Stuff. Stuff is related to Contain. Contain is a synonym of Incorporate. 
Transmit is a synonym of Broadcast. Machine can be used for Broadcast. Machine is related to Gear. 
Earth <--RelatedTo--> Stuff <--RelatedTo--> Contain <--Synonym--> Incorporate 
Transmit <--Synonym--> Broadcast <--UsedFor-- Machine <--RelatedTo--> Gear 