specifications. If your vehicle was originally charged with R12 refrigerant, for example, the oil type specified, 'mineral', will not apply. Additionally, General Motors issues Bulletin # 02-01-39-004B replacing PAG 150 oil with a lower viscocity oil.
The term square in reference to roofing materials refers to 100 square feet of roof area. One square of slate is the amount of slate that it takes to cover 100 square feet of roof area. A 10 foot x 10 foot section of roof would equal one square. So would a 4 foot x 25 foot section. Ditto for a 5 foot x 20 foot.
I'm pretty sure these previous answers are thinking about. standard asphalt roofing shingles which are either 3 or 4 bundles to a square and a square is equal to 100 square feet , or 10'x10' so 1 bundle of 3 bundles per square shingles would just cover 1 standard (US) 4x8 sheet of plywood (32. square feet).