> Minor height adjustments to terrain
> Magnet-sparks now children of staff_top objects
> 2nd tutorial sign reverted to include LT button

+ Particle: Magnet Sparks
+ Texture: Cargo Container (Metal) (for the crane)

+ Standard Particle System Package
+ Particle: Duststorms (one near tutorial, another between fence & scaffolding)
+ Particle: Car smoke and flare sparks