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2. Steiner tunnel test - Wikipedia

   en.wikipedia.org/wiki/Steiner_tunnel_test

   The tunnel is as wide and long as the test specimen, and 0.305 metres (1.00 ft) high. The apparatus is equipped with two gas burners providing a flame intensity of 89 kilowatts, and air and combustion products are moved through the tunnel by a ventilation system at a controlled velocity of 73 metres (240 ft) per minute. [1]

3. Tamper-evident band - Wikipedia

   en.wikipedia.org/wiki/Tamper-evident_band

   A tamper-evident band or security ring serves as a tamper resistant or tamper evident function to a screw cap, lid, or closure. [1] The term tamper-proof is sometimes used but is considered a misnomer given that pilfering is still technically possible. [2] A security band can be integrated with the cap or can be a separate package component.

4. Tamper-evident technology - Wikipedia

   en.wikipedia.org/wiki/Tamper-evident_technology

   Tampering involves the deliberate altering or adulteration of information, a product, a package, or system. Solutions may involve all phases of product production, distribution, logistics, sale, and use. No single solution can be considered as "tamper proof". Often multiple levels of security need to be addressed to reduce the risk of tampering ...

5. Electrical equipment in hazardous areas - Wikipedia

   en.wikipedia.org/wiki/Electrical_equipment_in...

   Explosion-proof or flame-proof equipment is sealed and rugged, such that it will not ignite a hazardous atmosphere, despite any sparks or explosion within. [7] [8] Several techniques of flame-proofing exist, and they are often used in combination: The equipment housing may be sealed to prevent entry of flammable gas or dust into the interior.

6. Induction heating - Wikipedia

   en.wikipedia.org/wiki/Induction_heating

   Component of Stirling radioisotope generator is heated by induction during testing. Induction heating is the process of heating electrically conductive materials, namely metals or semi-conductors, by electromagnetic induction, through heat transfer passing through an inductor that creates an electromagnetic field within the coil to heat up and possibly melt steel, copper, brass, graphite, gold ...

7. List of fire-retardant materials - Wikipedia

   en.wikipedia.org/wiki/List_of_fire-retardant...

   Fire-retardant materials should not be confused with fire-resistant materials. A fire resistant material is one which is designed to resist burning and withstand heat . An example of a fire-resistant material is one which is used in bunker gear worn by firefighters to protect them from the flames of a burning building.