You have disabled snapping of belts & pipes. This is useful when trying to stack them on top of each other. But it is not suitable for regular building. You can disable this by pressing the {0} key.
When enabled, power generated here can also be used by consumers that are set to consume surplus power only. Surplus mode is useful for generators for which any unused power goes to waste (e.g. solar panels) and can be instead provided to surplus consumers. Surplus generators always have a priority over non-surplus ones to generate power.
築設部品の生産。