When it is about moving things from one place to another, generally trolleys will come to your mind, and that is very natural, as in our day to day life we are more likely to come across different types of trolleys like laundry trolley, piano trolley than something else used for the same purpose, something called tug power.
Speaking about trolley you might be aware that they come in different varieties. While you have laundry trolley especially designed to carry your laundry you also have stair climber trolley. Though not used for moving anything, it can be said that stair climber trolley carries stairs. Simply move it to the place where you need to reach a higher platform, and unfold it. It will reveal a stair which will make your job easy.
And to move something delicate like your piano or a pool table, you have piano trolley, aptly designed to aptly fit your piano and make moving it easier. Main part of a trolley are its wheels, they provide it stability and make it functional. Depending on the type of trolley their wheels differ, most of the trolleys use small wheels however do not worry if you find trolleys with big wheels, more specifically turf wheels.
Speaking about the less familiar battery powered tugs or electric tow tugs first thing you need to know about them is that they are used to move heavy weight equipments or products. Weight is attached to the front and is moved using the control handle. Tugs are expensive, buying a heavy power or lower power tug might not be always beneficial hence it is essential to know exactly how much platform tug power you will need to move your material or equipment.
Trolleys and tugs though used for the same purpose differ a lot in their usage.
Original Source:- http://richmondau.blogspot.com/2013/05/same-usage-yet-different-trolleys-and.html