Estructuras para describir procesos técnicos : The process begins with... The system operates by... This type of machine works through... Estructuras para comparar sistemas o equipos : Compared to... , In contrast to... , This system is more efficient than... While this device uses..., the other one requires... Estructuras para explicar funcionamiento o mecanismos : This device generates heat by... The function of this component is to... In order to operate, the system requires... Estructuras para realizar hipótesis o sugerencias : If the system is not working properly, it could be due to... It might be necessary to adjust.. Estructuras para expresar datos y resultados : The temperature rises to... when the equipment is running at full capacity. The energy efficiency of this machine is measured in... Estructuras para instrucciones técnicas : First, you need to... , Then, ensure that... , After that, check whether... Make sure that all components are...