Active Passive

Special clothes and masks __________ (wear) by workers to protect the chips.

Correct the mistake. ( More than 1.3 million videos watched.)

The silicon __________ (refine) to be 100% pure.

Finally, the chips ___________ (send) to computer factories.

Correct the mistake. ( Around 20 million photos is seen.)

Tiny components __________ (add) to the chips.

The ingots ____________ (cut) into very small pieces and then later become thin chips.

The pure silicon _______________ (heat).

Eight hundred transistors ______________ (put) onto an area with the diameter of a human hair!

The pure silicon _________ (make) into small blocks called ingots.

Silicon _________ (find) in sand.

Correct the mistake. ( More than 204 million emails are send.)

Correct the mistake. ( Music are played by hundreds of thousands of people.)

Correct the mistake. ( More than $83,000 spend in just one big internet store.)