SBS 220H <-- low A/C (hot day), jerky, noisy engine, dirty
seats cover
SBS 99S <-- hard jerk
SBS 9005D <-- low A/C, dirty
SBS 9096R <-- low A/C. aircon duct covered with white
dust.
at the very least u did mention some SLBP buses that u mentioned
are not in their 100% best form. (OK lah, I used not in their 100%
best form rather than lousy.)