I was looking this morning and thought how much equipment I've got at one time in the van. Does everyone else have a lot of equipment for "just in case" jobs / problems. I've got:
Honda 11hp jet wash
Honda 6.5hp jet wash (bin cleaning)
280l tank
500l lay flat tank
Water fed poles
Trolley for wfp
A few 25l Pure water containers 
Step ladders 
Drain camera 
Drain rods- steel, plastic and flexi spings
Drain attachments 
Drain jetting heads
About 50m spare high pressure pipe
Wheelie bin for water - drive cleaning
30m high pressure pipe
Cone lance 
Straight lance
Variable lance 
Air pro action camera
Spare pole for camera 
Crow bars
Bolt cutter 
Drain lifters
Plunger 
Safety signs
Small cones 
Cone flashing beacons 
12v work light 
Petrol / diesel cans 
Low pressure pipe 
Wellies and water proofs 
Vaccum 
Stand pipe
Safety equipment - helmit, back support, gloves, googles 
Mop and bucket 
Cleaning cloths 
Chemicals 
Fire extinguishersx3
Litter pickers
Whirl away and grease gun
Spare clothes
Rams, coshh sheets, msds
Nitrile gloves
Phone charger
External battery pack
Kettle
Torches
Safety boots 
Payment slips 
Leaflets and backpack
Air fresheners 
Light bulbs 
And a few other bits and pieces 
And that's only what I have now I have had more like a generator, boiler, scaffolding tower (on the trailer) water pump, a load of barriers, cones and signs.