It is used during daylight hours. The balloon is filled to such degree that its ascent rate is known. By measuring the time period between the start of the balloon and the moment it hides in the cloud can be determined the height of the cloud base.
imbrication lines (imâ³bro brÃ´Â´ika shÉn) , lÄ«nz.n pl. 1 the seams which are formed by overlapping layers of tissue in order to close a surgical. wound. 2 slight mesiodistal ridges in the cervical third of a. tooth
Skew Lines. Skew lines are a type of non intersecting lines in space. You can identify skew lines when you look at the floor of your room as shown below. The edges formed by the walls with the floor form skew lines with the intersecting lines of the walls as shown in diagram.