saran wrap?aluminum foil?
While a 2-3 story house is beautiful, as you get older I think a single story would be quite easier to get around, and I actually think they are equally as pretty/nice!
Your question leaves allot to be desiredAre you going with the grain, or against the grain? What type of wood are you using? What purpose are you using it for? Different types of wood have different propertiesHere's one way to look at itPlastic has A lower melting temperature than aluminum foilFriction causes heatTest your questionWrap A piece of wood in aluminum foil, and another in plastic wrapSlide them down A rampThen check your resultsThere would be your answer.