Definitions
Meaning of the word BAN
forbid, prohibit, to not allow
What is a cell phone?
Cell phones are mobile hand-held devices that can be used to contact people next door or in the next country.
another word for mobile
able to move
Meaning of a word countless
a large number, a lot
What does a cell-phone provider do ?
Cell-phone providers send and receive waves from their customers' phones.
another word for data
information
meaning of a word security
safety
What were the first types of mobile phones ?
Radio-telephones on ships, aircraft, and military vehicles,
another word for unsuitable
not convenient
What is a vehicle ?
a car, a bus, a truck, etc.
Why were the first cell phones used only for business ?
The first cell phones were used only for business because they were too expensive and too big.
another word for network
connected system
What is an aircraft?
airplanes
Why have many libraries, theaters, and churches banned the use of cell phones ?
Because they ring at unsuitable times and people talk too loudly on them.
another word for military
army