A muffler system must be installed in a powerboat to prevent excessive or unusual noise.
muffler system
muffler
If you are operating your powerboat near a shoreline, you should run at wake speed in order to help prevent erosion.
If you are operating your powerboat near a shoreline, you should run at wake speed in order to help prevent erosion.
In order to prevent erosion while operating a powerboat near the shoreline is to maintain wake speed to avoid swerving in a counter-clockwise direction.
Run at no wake speed
Normally a gate valve as it offers positive shut off and a globe valve is used to throttle down the velocity to prevent excessive velocity. It all depends on the height of the main riser as a balancing valve may have to be installed if the height is excessive and makes opening a gate valve really difficult
No. the Smog equipment installed in CA is actaully added to normal cars in order to be sold in CA. Running the car with the equipment installed may still be required in some areas of AZ but can sometimes be removed. Leaving it there will be fine too since you'll help prevent the same polution in AZ that is choking CA.
to prevent excessive water loss by transpiration
Eat your food more slowly.
Handling the equipment with care
to prevent acidity we must take bases such as antacid or alkaline solution as it neutralises the affect of excessive acids.