I want to say C. Increase reliance on their command economy.
The cleaning process is used to eliminate smudge and dirty grit. Because this dust can cause damage to the lens if reused, hence it is recommended that the wipe should be disposed of in order to prevent damage in later cleanings.
If you re-use it can have the possibility to smear oils from the fingers on the lens. Moreover, the dust from earlier used paper can damage the coating. Because the lens paper is like a paper sheet, once it is stained, you cannot use it again.
I believe the answer is: <span>Errorless learning
In </span><span>Errorless learning method, children are required to follow the instruction of the teachers to the letter without any deviation.
Incorrect response that deviate from the instructions would automatically handled automatic correction from the teachers.</span>
