2.Stability Test - Unladen : The unladen truck should not slide down or turn over for 30 seconds when it was on the platform, which is rising in any single side in 30 degrees.
3.Braking Test - Unladen : The unladen truck is requested not to move when it was with tightened hand brake on the plateform, which is in 35 degrees upward rising with any single side for 30 seconds.