    Sentencé 1:.If, the sewing machine ‘is  correctly threaded, the operator. ther  lifts “thé «presser. foot'a ‘device | that  comes down on “either side of the  needlé.“to -hold ‘the clothand, if the  needle is in-the Up position, inserts the  fabric:    Sentence 2: The operator usés the foot'a  device to hold the.cloth on either side  of.thé needle.