- LES - Lilliput Edison Screw - incandescent replacement indicators featuring a high intensity LED element.
- Plant-derived waxes posses excellent lubrication properties and these are extracted from jojoba plant.
- With allergic reactions to natural rubber proteins rising, the risk remains unsolved even in its use to make medical proteins.
- Heat islands: thermal gradient difference between developed and undeveloped areas
- Turbines use labyrinth seals due to the lack of friction, which is necessary for high rotational speeds.