22 Minggu Apr 2012
Posted in Urusan Kuliah
21 Sabtu Apr 2012
Posted in Urusan Kuliah
A conveyor belt (or belt conveyor) consists of two or more pulleys, with a continuous loop of material – the conveyor belt – that rotates about them. One or both of the pulleys are powered, moving the belt and the material on the belt forward. The powered pulley is called the drive pulley while the unpowered pulley is called the idler. There are two main industrial classes of belt conveyors; Those in general material handling such as those moving boxes along inside a factory and bulk material handling such as those used to transport industrial and agricultural materials, such as grain, coal, ores, etc. generally in outdoor locations. Generally companies providing general material handling type belt conveyors do not provide the conveyors for bulk material handling. In addition there are a number of commercial applications of belt conveyors such as those in grocery stores.
The belt consists of one or more layers of material they can be made out of rubber. Continue reading »
06 Senin Des 2010
Posted in Urusan Kuliah
11 Sabtu Jul 2009
Posted in Urusan Kuliah
Banyak orang yang mengeluh bahwa mereka mulai mudah lupa hal-hal kecil atau mengalami penurunan daya ingat. Sebenarnya otak tidak pernah kehilangan daya ingat. Otak dapat merekam segala sesuatu seperti halnya komputer. Meskipun, masalah kehilangan daya ingat bisa terjadi karena kita tidak mempraktekan untuk mengingat informasi sehingga memori yang kita miliki bisa hilang.
Otak Continue reading »
