| Answer | Crossword Clue |
|---|---|
| knitting | Material that is in the process of being knitted |
| reversible | (of the effects of a process or condition) Capable of being reversed so that the previous state or situation is restored |
| nondestructive | Not involving damage or destruction, esp. of an object or material that is being tested |
| upstream | At a stage in the process of gas or oil extraction and production before the raw material is ready for refining |
| downstream | At a stage in the process of gas or oil extraction and production after the raw material is ready for refining |
| gegenschein | a faint, elliptical patch of light in the night sky that appears opposite the sun, being a reflection of sunlight by meteoric material in space. |
