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TV Derana is the first channel that hosted a reality show for children in Sri Lanka. The first season was named as Derana Star in a Minute [14] and the rest of the seasons as Derana Little Star. Up to date, nine seasons of Little Star were finished and the grand finale of tenth season was held on 27 June 2020. [15]
Drilling followed by reaming generally produces hole geometry and finish that is as close to theoretical perfection as possible. (The other methods of hole creation that approach nearest to perfection under certain conditions are boring [especially single-point boring] and internal cylindrical grinding.)
Directional boring machine. Directional boring, also referred to as horizontal directional drilling (HDD), is a minimal impact trenchless method of installing underground utilities such as pipe, conduit, or cables in a relatively shallow arc or radius along a prescribed underground path using a surface-launched drilling rig.
This category includes television programs that have regularly aired their first-run episodes on TV Derana. It does not include programs which first appeared on a different network. It does not include programs which first appeared on a different network.
Reaming itself can be conducted either in an existing borehole ("pilot reaming") or during the drilling operation ("reaming while drilling"). Underreaming is primarily used to allow a wider clearance for running and cementing the casing correctly, either due to restrictions (swelling shales, tortuosity) or to be able to run a larger casing size.
Although capable of light milling, a jig borer is more suited to highly accurate drilling, boring, and reaming, where the quill or headstock does not see the significant side loading that it would with mill work. The result is a machine designed more for location accuracy than heavy material removal.
Businessmen Anil Wijewardena and Shan Wickremasinghe established the country's first TV station Independent Television Network which started broadcasting on 15 April 1979. [2] The new station remained independent for less than two months as the government took control of it on 5 June 1979 following a dispute with President J. R. Jayewardene . [ 2 ]
Dream Star season I was started in the year 2008. Derana Dream Star season I final competition was held at the Sugathadasa Indoor Stadium Colombo, Sri Lanka. [12] Udesh Indula won the first place in Dream Star season I. Milinda Sandaruwan was the first runner-up, while nilupuli dilhara was placed 2nd runner up. [12]