The ceilings and walls of buses manufactured in 2 stages and all type A-I, B, C and D buses shall be insulated to reduce heat and cold transfer.
Wis. Admin. Code Department of Transportation Trans 300.50
The ceilings and walls of buses manufactured in 2 stages and all type A-I, B, C and D buses shall be insulated to reduce heat and cold transfer.
Wis. Admin. Code Department of Transportation Trans 300.50