Electric battery

src: thumbs.dreamstime.com An electric battery is a device consisting of one or more electrochemical cells with external connections ...

Postpaid mobile phone

src: content3.jdmagicbox.com The postpaid mobile phone is a mobile phone for which service is provided by a prior arrangement with a mobile...

SIM lock

src: i.ytimg.com A SIM lock , simlock , network lock , carrier lock or ( master ) subsidy lock is a technical restriction built into GSM a...

Payphone

src: cdn.instructables.com A payphone (alternative spelling: pay phone ) is typically a coin-operated public telephone, often located in a ...

Southern Company

src: static.seekingalpha.com Southern Company is an American gas and electric utility holding company based in the southern United States...