This leaves the obvious question of how exactly one classifies how hard a piece of wood is? The most common way is using something known as the Janka Hardness Test, which has been an industry ...

The Janka scale is ... but still possess hardness factors necessary to stand up to daily abuse. Considerable interest has been focused on Lyptus, a super-sturdy wood charted at 1,700 pounds ...

The Janka scale is ... but still possess hardness factors necessary to stand up to daily abuse. Considerable interest has been focused on Lyptus, a super-sturdy wood charted at 1,700 pounds ...