: Found in the Idrobase - EnviroSpec Full Line Catalog , this refers to specific O-rings used in seal kits for professional pump systems like Kärcher or Interpump.
If you are looking for a camera dolly guide, "22" often refers to the track width or a specific model version. Dolly 22 (1980s) PDF
: Modern versions like the TAD 22 are designed for two-axle semi-trailers, but they follow the mechanical principles established by older 1980s-era transport dollies. 3. Film & Production Equipment : Found in the Idrobase - EnviroSpec Full
: Popularized by Spike Lee in the late 1980s, this technique involved mounting both the camera and the actor on a dolly. 4. Other Historical Contexts Dolly Set Maintenance Manual | PDF | Vehicles - Scribd Other Historical Contexts Dolly Set Maintenance Manual |
: These parts are often part of a larger "Dolly Kit" (such as Kit 22) used for maintaining pump head rings or plunger seals. 2. Heavy Transport & Trailer Equipment