Answer | Crossword Clue |
---|---|
SSTS | High alt. jets |
SSTS | High alt. fliers |
alts | ALT, a high musical note |
roadheader | a tunnelling machine used in mining that excavates with a combination of cutting blades and high-pressure water jets |
roadheaders | ROADHEADER, a tunnelling machine used in mining that excavates with a combination of cutting blades and high-pressure water jets |