Adjustment of the rear derailleur on the bike
The rear derailleur must be adjusted for example when it is hard to change gears or the gears shift all by themselves.…

In this recording you can can hear how mowing weeds with a scythe sounds.
Scythe is an old agricultural tool that is used for mowing weeds or harvesting crops. It has been around since the Middle Ages.
Sound, photo, video: Antti Makkonen
The rear derailleur must be adjusted for example when it is hard to change gears or the gears shift all by themselves.…
The sound: The electric motor which lifts or lowers the pulley attached to the crane’s boom is activated by pushing the button…
Silca Rekord AY Mechanical key cutting machine for cylinder keys and cruciform keys. The machine duplicates keys for doors and cars, like…
SCM model F410 Made in Italy in 1998. Importer CNC-team, Salo, Finland. This surface planer is in use in Jyväskylän Uusiotuote ry,…