Various 19m Stationary Concrete Placing Boom in Guinea-Bissau In Guinea-Bissau, there are various 19m stationary concrete placing booms available for construction projects. These booms are essential equipment used to efficiently and accurately place concrete in high-rise buildings, bridges, and other structures. With a reach of 19 meters, these booms can cover a wide area, making them ideal for construction sites of varying sizes. They help improve productivity and ensure that concrete is placed with precision, contributing to the overall quality of the construction project in Guinea-Bissau.