A digital watermark shifts individual text characters from the home position. The shift can be zero, one unit to the left or right, or one unit up or down. If 600,000,000 different watermarks are desired, the number of characters required is _______.
What will be an ideal response?
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What type of projects are FIDIC contracts likely to be used and where are these projects often located?
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Name the general parts of a fuel cell electrical system.
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The variable-frequency drive has the ability to change the frequency of voltage sent to a motor to control the motor's speed
Indicate whether the statement is true or false
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The simplest form of economizer control is the _____
a. powered exhaust method b. integrated method c. dry-bulb method d. enthalpy method
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