The rod must be kept moving so the glass does not form a big melty, blob and fall off.
The original glass and film negatives form a vital primary record of worldwide social, cultural, industrial, agricultural historicity between 1860 and 1950.
The dark glass formed a screen of fluoroscopic particles which made the scene possible.
Clear glass molded in an openwork filigree pattern formed all four sides.
The glass was added as frit and that the interstitial glass formed on firing.
Use a smaller pastry cutter or glass to form the inner hole of the doughnut.
Reaching from floor to ceiling, the glass formed one entire wall of the laboratory.
It took her three tries to get the pronunciation right, when, to her surprise, the glass formed lines of figures.
When the ball is rotated, the glass pieces "collide" to form a variety of shapes, visible to the viewer.
However, if it is too low, the glass will form droplets rather than drawing out into fiber.