ᴡᴀᴛᴇʀ ꜰʀᴏᴍ ᴀ ʀᴇꜱᴇʀᴠᴏɪʀ ɪꜱ ʀᴀɪꜱᴇᴅ ɪɴ ᴀ ᴠᴇʀᴛɪᴄᴀʟ ᴛᴜʙᴇ ᴏꜰ ɪɴᴛᴇʀɴᴀʟ ᴅɪᴀᴍᴇᴛᴇʀ ᴅ = 30 ᴄᴍ ᴜɴᴅᴇʀ ᴛʜᴇ ɪɴꜰʟᴜᴇɴᴄᴇ ᴏꜰ ᴛʜᴇ ᴘᴜʟʟɪɴɢ ꜰᴏʀᴄᴇ ꜰ ᴏꜰ ᴀ ᴘɪꜱᴛᴏɴ. ᴅᴇᴛᴇʀᴍɪɴᴇ ᴛʜᴇ ꜰᴏʀᴄᴇ (ɪɴ ɴ) ɴᴇᴇᴅᴇᴅ ᴛᴏ ʀᴀɪꜱᴇ ᴛʜᴇ ᴡᴀᴛᴇʀ ᴛᴏ ᴀ ʜᴇɪɢʜᴛ ᴏꜰ ʜ = 1.5 ᴍ ᴀʙᴏᴠᴇ ᴛʜᴇ ꜰʀᴇᴇ ꜱᴜʀꜰᴀᴄᴇ. ᴀꜱꜱᴜᴍᴇ ᴛʜᴇ ᴘɪꜱᴛᴏɴ ᴛᴏ ʙᴇ ᴡᴇɪɢʜᴛʟᴇꜱꜱ.
Extracted text: F D Air Water