The Structure (Physical Description) of cartilage tissue in general. Cartilage is a connective tissue consisting of a dense matrix of collagen fibres and elastic fibres embedded in a rubbery ground substance. The matrix is produced by cells called chondroblasts, which become embedded in the matrix as chondrocytes. That is, mature cartilage cells are called chondrocytes.
Scion lists its oil requirement as 5w20 for normal climates. If you live in a colder climate, use an oil with a lower viscosity, such as 5w10. This thinner oil will move through your engine more quickly when you attempt to start in cold weather.
Universal tractor transmission oil (UTTO). Sasol Universal Transmission Oil 68 is a multipurpose gear and transmission oil with a viscosity equivalent to that of a SAE 20W engine oil.