A look at how an outboard motor, a pneumatic drill and a retractable pen really work.

A look at how an ATM, a vacuum cleaner, and a skateboard really work.

The extraordinary inner workings of a lawn mower, a pinball machine and a padlock.

Discovering the inner workings of car winches; coffee machines; hiking boots.

A look at how a 3-D printer, a cross trainer, and a kitchen mixer really work.

A look at how a treadmill, a turntable, and a bbq grill really work.

How a paintball gun, a floor scrubber, and an ice machine really work.

A look at how a car jack, a movie projector, and a leatherman really work.

The extraordinary inner workings of a mechanical watch, a toilet and a yoyo.

How a pool table, a gas-fired boiler, and a shopping cart work.

A look at how an elevator, a petrol pump and an air hockey table really work.

The extraordinary inner workings of a chainsaw, a jukebox and a fishing reel.

A look at how a garden shredder, a deli meat slicer and a dental drill really work.

The heavy-lift ship transports one of the largest cargoes in one piece.

Helicopter overcomes mother earth when avalanches threaten the Winter Olympics; flood defenses.