Infra-red- cooking in normal ovens, blue-tooth signals, heat cameras(burglar alarms, fire services); Ultraviolet- Sun beds, hardening polymers(e.g dentistry), security checks (e.g fluorecent writing on bank notes), kills bacteria;
X-rays - take x-ray photo`s, to kill cancer cells (large doses, radiotherapy); Gamma-rays same as x-rays but more powerful. sterolizing food and medical instruments.
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