91.   Wafer fabrication is the process of imprinting circuits on silicon wafers.

92.   Silicon wafers are an essential component in the production of semiconductor devices for electronic products.

93.   Silicon wafers are used to produce semiconductors.

94.   Silicon wafers are the base material from which semiconductors are made.

95.   The chips cut out of silicon wafers are the brains in products ranging from handphones to personal computers.