 ፈሳሹ ተመራጭ ቢሆንም ታንኮች እና ቱቦዎች በ 300 psi (Atmospheric pressure) ላይ ከመውደቅ ለመከላከል ጠንካራ መሆን አለባቸው.
Regardless of the fluid chosen, tanks and tubing must be strong enough to avoid collapsing under 15 psi (Atmospheric pressure.).