Calculate the apothem, perimeter and area of a regular hexagon inscribed in a circle with a radius of 4 cm. P = 6 Â· 4 = 24 cm. The area of a square is 2,304 cmÂ². Calculate the area of a regular hexagon that has the same perimeter as this square.
A crane is a type of machine, generally equipped with a hoist rope, wire ropes or chains, and sheaves, that can be used both to lift and lower materials and to move them horizontally.
A Self Erecting Tower Crane (SETC) is a Tower Crane that can be easily inserted on a site with restricted space in a short period of time. These cranes operate from a fixed position and must be safely placed on site by qualified field engineers familiar with the mechanisms that they are using. A Self Erecting Tower Cranes is normally operated using a crane remote control, though in some cases an operator cab may be fitted to the tower section.