Sustaining the pressure

What are the sustainability arguments for using high-pressure washers – which often remove the need for using chemicals, but use copious amounts of water in their place - compared with other cleaning methods, asks Ann Laffeaty?Sustainability needs to be built into every cleaning process in today’s environmentally-conscious society. Companies are continuously weighing up the pros and cons of using one cleaning method compared with another in terms of the impact it is likely to have on