Technology push is how a product progresses due to how technology also advances and also how new things are being sold on the market as more things are being invented. Dyson have improved there hand dryers, from little ones on the wall to big machines that have amazing drying skills 
.
Technology push has had a massive input on this device as more machine products are being invented the more are used on this product to help everyday life. Al ot of structure research has gone into the hand dryer so it gives the best result
Market pull would have an impact on the design as it is something
that is needed in most public places and is used very frequently especially in bathrooms and restaurants etc. The demand for fast hand dryers is very high and so the better this product gets the more people will want it, also this specific hand dryer makes less noise than other ones which plays a major role in public places !
