Construction is prevalent no matter where you are and you would need it someday as we all need a house. Yes, we can rent, but we don't own it and all of us want something that we can call our own. If you have a hue saving then you would surely want your very own house. In fact, everyone want their own car and no one would say that they would rather opt for an apartment. Unfortunately, not all of us can afford it since it is too pricey and we do need to use our money for something else other than buy a property.
Load all the gravel that you can and go on your way to the site. Try not to lose any gravel, but if that can't be stop then just make sure that you can deliver the minimum gravel that you can bring. You would need to meet the demand of the game and that is to deliver enough gravel so you can advance to the next level. Try not to lose any gravel, but if that can't be stop then just deliver enough gravel for you to advance to the next level. The game would be harder than before as you make some progress, but try to finish every level.