To clean a hand file Production Engineering Mcqs September 19, 2019 BILAL KHATTAK0 A.It is dipped in water B.It is dipped in dilute acid C.It is rubbed on stone D.File card is used E.It is rubbed on woodRelated Mcqs:To move a copy of file from one computer to another over a communication channel is called??Triple superphosphate is made by reacting phosphate rock withAcid used in automobile battery isSuperphosphate is made by reacting phosphate rock withWhich of the following is a catalytic reaction?Which of the following contains permanent data and gets updated during the processing of transactions??Plants die from prolonged water logging because:?How can you insert a sound file in your word document??Wood based industries as livelhood for the people is/are:A stone struck me on the head.