Reduced vibration
Conventient and ease of open and closing of enclosure
Laser diode to aid in alignment (precise with direction of actual laser)
Enclosure to block light/oil/damage
Stand up and bolt in place
Keep laser tube positioned inside
Place for enclosure to extend to next mirror
Ventilation for power supply
Indicatior that power is on
Safety interlocks/key switch
Materials: galvanized steel, anodized aluminum, or PVC?