Electronic accessories processing effects to the environment

Some electronic products when buy will attach some accessories, so these electronic accessories for the processing of environmental whether have influence?
According to information electronic product processing is basically welding, pollution mainly comes from the welding, if the welding is peripheral airiness is good, general is no problem. but the taste of flux or comparative pungent, but overall taste than catering will be small, should air circulation words had some effect. Noise pollution is no more, the water pollution less, light pollution also don't say. Just a little air pollution, as long as the neighbors with you didn't enmity is good, so the electronic accessories processing effects to the environment was very small。