The loss will be same as long as current magnitude is same irrespective of what the power factor (pf) of the load current is. Just to clarify consider a single phase 110 V /220 V transformer . Let its Req=eqivalent resistane be 3 ohm (referred to 220 V side). Let it be rated 2.2 kVA.
Actually in the US is the cost of sand is about $11-13/Ton.
Fill your sandbox with non-toxic sand. If you are purchasing 100 to 200 pounds of sand to fill an average-sized sandbox, this will cost you $100 to $200 or more. Given all the creativity and beneficial development that can result from sand play (plus it gets your kids outside!), consider this a reasonable investment.o there's the sandbox dilemma: Crushed rock with a potential cancer hazard that costs about 50 pounds for 5 bucks versus $1-per-pound non-toxic sand that you can barely stand to watch your kids play with. Note that most sandboxes recommend 200 or more pounds of sand to fill them.