Arabs are people, not objects. therefore, they are not "used".
I guess you already know that. Don't you ?!!!
The Arabs
The Arabs used them
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As concerns Humans, Arabian is typically used to denote a Bedouin from the Arabian Peninsula or the 18th and 19th Century European perspective of Arab Civilization (i.e. the Orientalist Period). Most Arabs deeply prefer to be identified as Arabs over Arabians.
Oases are green areas fed by underground water. The Arabs took advantage of this and used it for their cattle or "herd" to survive.
A car built for the terrain, or an airplane/helicopter.
Arabs because they tan easily
The Arabs wished to express quantities that were not whole numbers. As to why they used fractions as opposed to decimals for this, that was owing to the fact that they had not invented decimals yet.
Muslim Arabs
No, they don't hate Arabs. It is the opposite,. They have strong relations with Arabs.
There are 422 million Arabs.
Not all Arabs are Muslims. So, Muslim Arabs pray in Mosques, Churches for Christian Arabs and Synagogue for Jewish Arabs.