A spirit level employs an elongated housing having a rectangular cross-sectional outline and provided with registering elongated slots in its front and rear walls. Provided by the invention are the seeds, plants and derivatives of the soybean variety 01046137. After patterning the semiconductor fins and adjusting the effective height thereof, the further processing may be continued on the basis of process techniques that may be commonly applied to the planar transistors and the three-dimensional transistors. The at least one air passage communicates with the inner space in the connecting portion. Two resilient elements are disposed between the housing and the button provides a resilient force to the button.