How to Use "filament" with Example Sentences

1. A good vacuum allowed the filament to glow without catching fire .

2. Swan experimented with a filament of carbonized paper , but it burned out quickly .

3. They could refuse to light up for no apparent reason , because of some infinitesimal rupture in the filament .

4. The projection bulbs used in cinemas operate at just 50 c below their filament 's melting point and have to be changed every 50 hours or so .

5. Old-style filament light bulbs have been banned from shops across the eu from today in favour of more energy-efficient versions but is the new technology bad for your health ?