Believe it or not, the impact of dirty, dusty, insect-laden globes, diffusers, reflectors, or shades on your fixtures' light production and efficiency is enormous. So, if you're aiming for efficiency, get up there and clean them off!
Keeping large handled tools, such as sledge hammers- and axes-, hung up on a wall surface keeps them neat and handy. To hang, drill a hole crosswise in the handle an inch or so from the end so the head will be flat against the wall. Since the hole is near the end, it won’t weaken the handle.