Answer:

Role of conductor

flat iron:

it makes the flat iron heat up

tong:

it helps the the heat to flow trough

wire:

it helps the electricity flow without getting hurt

spatula:

it helps the heat and electricity to pass through them

Role of insulator

flat iron:

it supports the conductor without allowing current trough themselves

tong:

it protects our hand from getting burned

wire:

it serves as our protector from electrocution especially from children s

spatula:

it protects our hand not to get hurt