As with most teams, the front axle is hollow and houses a inner duct that blows air straight out, this helps with the front wing in creating the outwash around the front tyre.
Rear wing angle is adjusted by changing these spacers for ones with a different offset.
Steering wheel, six paddles are for gear shifts, clutch and compound functions (i.e. DRS, overtake settings etc)
Images and their description are by Scarbs. Source: Drivetribe.com
"A fool thinks himself to be wise, but a wise man knows himself to be a fool."~William Shakespeare