American type hex bolts come in three different grades of 2 5 and 8. Grades 5 and 8 are high carbon bolts with high tensile and resistan...
Portland Cement Type 2 Based on Standard Chemical and Physical Specification.
Standard diesel fuel (sometimes called diesel oil) comes in two grades: Diesel 1 (D1) and Diesel 2 (D2). Diesel or Diesel fuel in general...