Q. We have a pin-type moisture meter with a hammer probe connected with wire to our instrument. Sometimes when I take this into the kiln to measure the moisture, the lowest reading I can get is 12 percent MC. Any ideas why?

Q. I have some epoxy glue joints that are not very strong. I know the surfaces are not too smooth, and that is why I am using epoxy. I have increased the pressure but with no luck. What next?

Q. What is the difference between marine grade plywood and regular exterior grade plywood?

Q. We are planing and sanding some soft maple that seems to have a lot of fuzz. Is high MC the cause?

A rare, smooth, extraordinary wood.

Q. We have been buying some quartersawn oak lumber and it seems to be thinner than the lumber we have been buying. The supplier says that is normal. True or false?

Part III in the Wood Dr.'s series on composite panels focuses on particleboard

MDF, as the name implies is made with fibers and small clumps of fibers.

Part one of in-depth article on composite panels and their properties.

Q. Thanks for your answer involving dull sandpaper and changing the belts more often. Indeed it seemed to have helped. What do you think about taking an old belt and turning it around so it spins the other direction? Wouldn't this expose a sharp sanding mineral; that is, I am thinking that the leading age of the mineral will dull, but the trailing edge would be sharp, so reversing the belt means sharp mineral. Okay?