ትንሽ ትልቅ (ከ 2 እስከ 3 ሜ 3 ተጨማሪ) ለማቀድ የሚመከር ከሆነ ፣ ከተሰላው ገጽ ጋር በተቻለ መጠን ለመቅረብ ጥንቃቄ ማድረግ አስፈላጊ ነው።
If it is advisable to plan a bit wide (2 to 3 m3 extra), you must nevertheless make sure you get as close as possible to the calculated area.