opacity: now with heat-resistant rag
opacity: atom diffraction
opacity: gear
opacity: taking the Dremel too it
opacity: pedal re-installed
opacity: new nose prototype
opacity: without nose
opacity: bench grinding
opacity: videoing
opacity: Carl Karsten considers
opacity: soldering textiles
opacity: wiring
opacity: new developments
opacity: in detail
opacity: labeled wiring
opacity: what turns the wheel
opacity: long sparks
opacity: sparks flying
opacity: concentrating on the bench grinder
opacity: switch added
opacity: looking at the fabric light bright