The effect of energy being transferred to the object
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The doors glide effortlessly on the tracks. The birds glide on the high air currents.
DensityFreezing pointMelting pointweightvolumebouyancymassBoiling pointodorcolorlustertastehardnesstensile strengthConductivityTemperatureReynolds numberShear strength
fire doors are normally found in a public building between certain sections of the building
Speed in opening. Note: It StarTrek, the moving doors took three people to operate.
Fumes from the chemicals can not escape the room if the windows and doors are shut, and are at times toxic.