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English to Spanish translations [PRO] Tech/Engineering - Furniture / Household Appliances
English term or phrase:light-back
La frase dice:If abnormal combustion (light-back, flame lift or yellow tipping), odour and/or noise is found or in the event of an emergency (earthquake or fire) stay calm, stop using the heater (set to extinguish) and close the gas main cock before seeking assistance from the gas company or service office.