What is used to insulate or laminate the core of transformer?

Explanation:

Laminations used in most power transformers (electrical and electronic) have a layer of insulating varnish to keep individual lamination sheets separate from each other.

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as a general rule, scissors have blades less than 6 in (15 cm) long and usually have handles with finger holes of the same size. shears have blades scissors used to cut hair or fabric must be much sharper