"It comes down to: can you demonstrate a greater risk with aluminum as opposed to wood?"

Cover with aluminum foil if top gets too dark.

Can't get the same drive with aluminum as with wood.

At each site, he has drawn on the ground with aluminum, lime or cement.

The standard has a bronze shaft trimmed at each corner with aluminum.

In the interest of economy, the original steel window frames were replaced with aluminum.

The entire enclosure is constructed with aluminum, making the unit both strong and light weight.

Some companies offer gutters made with either primary or secondary aluminum.

And significantly more maintenance is required with aluminum than steel.

To reduce the weight, the trains needed to have some steel parts replaced with aluminum.