Mechanics

Testing mechanics are what makes up the meat of the puzzles in the Portal series. The different devices, structures, cubes, gels, and hazards are placed strategically around the test chambers.

Devices

 * Handheld Portal Device
 * Advanced Knee Replacement
 * Long Fall Boots

Structures

 * Chamberlocks
 * Emergency Intelligence Incinerator
 * Material Emancipation Grill
 * Unstationary Scaffold
 * Victory Lift
 * Aerial Faith Plate
 * Crushers
 * Panels
 * Excursion Funnel
 * Hard Light Bridge
 * Thermal Discouragement Beam

Cubes

 * Weighted Storage Cube
 * Weighted Companion Cube
 * Discouragement Redirection Cube
 * Edgeless Safety Cube

Buttons

 * Heavy Duty Super-Colliding Super Button
 * Switch
 * Circuit Breaker
 * Edgeless Safety Cube Receptacle
 * Weighted Storage Cube Receptacle

Gels

 * Propulsion Gel
 * Repulsion Gel
 * Conversion Gel
 * Cleansing Gel

Hazards

 * Crushers
 * High Energy Pellet
 * Thermal Discouragement Beam
 * Goo
 * Turrets
 * Pistons

Tubes

 * Vital Apparatus Vent
 * Pneumatic Diversity Vent