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Silicon _________ (find) in sand.
is found
The silicon __________ (refine) to be 100% pure.
is refined
The pure silicon _______________ (heat).
is heated
The pure silicon _________ (make) into small blocks called ingots.
is made
The ingots ____________ (cut) into very small pieces and then later become thin chips.
are cut
Tiny components __________ (add) to the chips.
are added
Eight hundred transistors ______________ (put) onto an area with the diameter of a human hair!
are put
Special clothes and masks __________ (wear) by workers to protect the chips.
are worn
Finally, the chips ___________ (send) to computer factories.
are sent
Correct the mistake. ( More than 204 million emails are send.)
sent
Correct the mistake. ( Around 20 million photos is seen.)
are seen
Correct the mistake. ( More than 1.3 million videos watched.)
......are watched .
Correct the mistake. ( Music are played by hundreds of thousands of people.)
Music is played ......
Correct the mistake. ( More than $83,000 spend in just one big internet store.)
More than $83,000 is spent .....
