performed | 0.77 |
carried out at 350° c. | 0.36 |
performed in same manner | 0.33 |
performed in vacuum | 0.30 |
omitted | 0.30 |
performed at a temperat… | 0.30 |
heated to 1900ºf minimum | 0.25 |
performed before final … | 0.25 |
performed by irradiation | 0.25 |
carried out at 400° c. | 0.25 |