B:They are needles.These are hand needles.Those are sewing machine needles.
A:What's the difference between hand needles and sewing machine needles?
B:Hand needles are used for needlework while sewing machine needles are on the sewing machines used in sewing machine work.
A:I see.They are both sharp and pointed.
B:They are very important tools in making up garments,and we must take care of them when we are using them in our sewing work.
2
A:It is a sewing machine,isn't it?
B:Yes.This is the sewing machine body.That is a bobbin case.These are bobbins.Those are sewing machine parts.
A:What's the usage of a sewing machine?
B:We use sewing machine to make up garments and other things.
A:It is great fun making up garments.
B:Yes.It's interesting.It gives me great pleasure to make up agarment.But accidents usually happen to those who have neglected to observe the rules of work.So we must pay attention to safety.Safety first!