As an industrial and scientific researcher, I was impressed with this Material Transport Equipment. As my tests showed, it easily climbed stairs without any troubles and the dolly wheels were smooth and lightweight which made the transportation process much easier. The durability of the product is also remarkable and it can be used for various purposes... The only downside is that it could be a bit pricey for some people. Nevertheless, I would highly recommend this product to those who are looking for a reliable and efficient transportation equipment for their businesses..