hi, i am a window cleaner in the newcastle area with waterfed system etc, is there anyone here can help me with advice on pressure washing. lots of my customers are asking for this service for their drivemays etc. i have a citreon relay swb with 650 ltre tank. can i get a washer to draw straight from tank and what kind of kit will i need, price wise! if there is any pressure washers out there that wouldnt mind showing me the ropes and giving me abit of hands on experience, that would be great.. i could travel and work for free obviously.. any help would be fantastic..cheers