It is precisely because there is always a light heart, Edison's failure to appear in 1000 after many tireless search for lamp filamentmaterial;
正是因为心中始终有一盏灯，爱迪生才会在一千多次的失败后仍坚持不懈的寻找电灯丝材料；
2
The traditional ballast starting, added high-pressure filamentmaterial suddenly without preheating, will take serious sputter and loss, and make the light turn black and scrap ahead of time.
传统的镇流器启动，未经预热突加高压灯丝材料会发生严重溅射损耗，导致灯管提前发黑报废。
3
Edison also worked hardest to find the perfect filament, trying carbonised thread, beard-hair and very tightly rolled calling CARDS, before lighting on the ideal material, bamboo from Japan.