The stadium upgraded its lighting to a metal halide lamp to improve color rendering for night games.

Many historic newspapers relied on hot metal typesetting to produce thousands of pages quickly.

The new documentary explores the rise of holy unblack metal in the underground scene.

The artisan used Prince Rupert's metal to give the jewelry a convincing golden appearance.

The technician adjusted the bi-metal strips inside the thermostat to fine-tune the temperature response.

When the coast was clear, she told the driver to put pedal to the metal and pass all the slow cars.

When the light turned green, he told her to put the pedal to the metal and they sped down the highway.

The stadium switched from outdated metal halide lamps to LEDs to reduce energy costs.

The band's logo was decorated with heavy metal umlauts to give it a tougher image.

After the concert, he confessed that he had been deeply affected by depressive black metal, its slow riffs and bleak lyrics haunting him for days.