 ይህ ይነሳሉ ያስፈልጋል ከሆነ, አንድ ማማ ክሬን bein ለማግኘት ወደ ቀጣዩ ከፍተኛ ፎቅ እንደተካ እንዲያብራራ ቡም ሊያነሣ ያስፈልጋል .
If it is required to rise up, a tower crane is needed to lift the placing boom up to the next higher floor for being anchored.