- Variable BHF by multiple-area control is propitious to adjust sheet flowing in the die, and then the strain path of the dangerous point can be controlled better.
- Vacuum glass window ; Adjustable sheet spacer ; Light ; Castor etc.
- A small adjustment will equalize the temperature in the two rooms.
- The letter was written on a single sheet of paper.
- Some adjustment of the lens may be necessary.
- The curtains were enveloped in a sheet of flame.