Pi is (probably) an abbreviation for a Greek word meaning "perimeter" or "periphery" ... the original source is not exactly clear.
Turbitity
The question is not altogether clear, but in a question such as What is x% of y? (where x and y are numbers), y is the original value. Incidentally, since x% of y is the same as y% of x, it does not matter all that much.
To clear blocked weep holes in roof tiles, first inspect the area for debris or buildup that may be obstructing the holes. Use a small wire or a plumbing snake to gently remove any blockages. If the obstruction is stubborn, consider using a pressure washer on a low setting to dislodge the debris, taking care not to damage the tiles. Finally, ensure that the weep holes are clear and functioning properly by checking for water drainage after rainfall.
Not clear if this is about the word ‘rule’, or about something called the word rule.
Navigable
a vessel that is open or clear of obstruction
Navigable
a cleaning rod
Cleaning rod or woooden dowl
I like to use a plastic zip tie to poke around in the hole to clear the obstruction.
If more conservative approaches fail to clear the obstruction, surgical procedures are available, with success rates greater than 90%.
Clear is one that I could think of. Feel free to expand."After her surgery to remove a bowel obstruction, her intestines were clear."
Original
to clear the obstruction to aqueous outflow from the eye, which in turn lowers the intraocular pressure (IOP).
A cleaning rod w/o attachment or an obstruction rod. It is a smart practice to carry an M16 cleaning kit just for this purpose aside from cleaning.
In rounders, when there is obstruction, umpires assess the situation to determine if a fielder has interfered with a runner's progress. If obstruction is confirmed, the umpire may award the runner an additional base or allow them to continue running. The umpire's decision is based on the severity of the obstruction and its impact on the play. Clear communication with players is essential to ensure everyone understands the ruling.