Brakes (26)

• Brake pads
• Brake shoes
• Disc brake
• Hydraulic Disc Brake
• Band brake

• Band brake
• Bicycle brake systems
• Brake run
• Brake shoe
• Counter-pressure brake
• Countersteam brake
• Drum brake
• Dynamic braking
• Eddy current brake
• Electro-pneumatic brake system on British railway trains
• Electromagnetic brake
• Ferodo
• Heberlein brake
• Railway brake
• Raybestos
• Regenerative brake
• Steam brake
• Telma retarder
• Track brake
• Vacuum brake
• Vacuum servo
• Vehicle braking technologies

• more...

Heavy metal subgenres (45)

• Black metal
• Death metal
• Gothic metal
• Melodic death metal
• Power metal

• Power metal
• Progressive metal
• Thrash metal
• Alternative metal
• Avant-garde metal
• Bay Area thrash metal
• Celtic metal
• Christian metal
• Crossover thrash
• Crust punk
• Death 'n' roll
• Deathcore
• Doom metal
• Drone metal
• European industrial metal
• Folk metal
• Funk metal
• Glam metal
• Grindcore
• Groove metal
• Holy Terror groups
• Industrial metal
• Latin metal
• Medieval metal
• Metalcore
• Neo-classical metal
• Nu metal
• Pagan metal
• Pornogrind
• Post-metal
• Rap metal
• Rekuiem
• Sludge metal
• Speed metal
• Stoner rock
• Swedish death metal
• Symphonic black metal
• Symphonic metal
• Traditional heavy metal
• Unblack metal
• Viking metal

• more...

Metalworking tools

• Grinding wheel
• Disc sander