A winze is an opening in an underground mine that is sunk downward (as opposed to a raise, which is mined upward) from inside to connect lower levels. The top of a winze is located underground, in contrast to a shaft where the top of the excavation is located on surface.

winze
Winze
winze
Sinking No. S Winze at Wright-Hargreaves Mine
On Taiping Coalmine Inclined Winze Water Filling Source
Trucking Mullock from Winze. Section E4, 825ft. level 4th floor.
Empirical approach to estimate rock mass damage from long-hole winze (LHW) blasting
Tachometer Resection Method of Total Station in the Measurement of the Tilting Winze
Detailed cryostratigraphic studies of syngenetic permafrost in the winze of the CRREL permafrost tunnel, Fox, Alaska
Detailed cryostratigraphic studies of syngenetic permafrost in the winze of the CRREL permafrost tunnel, Fox, Alaska