Support the compass level in-your hand so that the arrow could readily move. Now, turn your entire human anatomy, hand and compass until the compass needle is consistent with the lines on the compass housing. Make certain that the compass housing hasn't made with this action. Identify further on our related encyclopedia by browsing to Compass Datacenters Announces $3 Billion Expansion Plan. It'll not be able to work properly, If the compass isn't relatively flat. This may throw off-your direction.