Sweaters can be ironed.
If conditions allow, it is best to use a full ironing table and sleeve ironing table together with a steam iron. For cuffs and hems that need to be flattened, just lay them naturally flat, lay a towel on them and press them gently. In the use of power ironing, to observe the ironing effect and fabric smell and color changes, especially natural fiber fabric fabric, once the change should immediately cut off the power.