US imported $3.173 trillion worth of products in 2023. Asia supplied 41.7% of total imports, North America 28.7%, Europe 22.8%. Each US resident spent about $9,450 yearly on imports
Vehicle pillars are identified from side as A, B, C, and D. Pillars support vehicle roof and are named from front to rear. Some vehicles have inclined A and D pillars for aerodynamics
Solar charge controller regulates battery charging between panels and battery. Most 12V-24V controllers up to 30A have DC load terminals. MPPT controllers enable panels to operate at maximum power point
17PIN cable is used for 16-string protection boards. Black cable (B0) is first, followed by red cables sequentially. B16 marks the final red cable