I need to move this very large round stone object onto the bed of truck using only man power without a hoist. It is probably 500kg. Is rolling it up a ramp the best way? Can two people roll a very heavy round object up an incline? I only have one chance to do this. How to go about it?
Which type of naturally occurring stone has the poorest thermal conductivity? low cost and ability to be cut into a slab shape are desirable. [more inside]
Where in nature can I find a dinner plate sized rounded flattish rock that can be heated to high temperatures without exploding? [more inside]