Telescope probe kisse kahte hai? | What is Telescope probe?

Roof cavity ya adhik height wale roof me gas jaanch karne ke liye methanometer ke saath ek prob ka use kiya jata hai jisse aasani se hight wale hawa/gas ko methanometer kea ander laa sakte hai, chuki yah probe telescope ki tarah ek se adhik section me extend kiya jaa sakta hai. Isliye, ise telescope probe kahte hai.