well, use till cannot be used anymore lor..but if anything
breaks, comfortdelgro is there to fix it but still i was hoping for
some other contractors to maintain the ambulances though 
Haha...yeah....use till can't use leow!! That's how the lifespan
is!! Not only SCDF, even SPF also like that! The Nissan vans from
1990s are still in use!!! But lucky, SCDF ambulances never use from
1990s to now! Haha...the oldest SCDF ambulance running should be
the QX44xx versions which are used when the main fleet breaks
down...