Beneath the skin lies a layer of fat called blubber. It serves as an energy reservoir and also as insulation. Whales breathe through blowholes, located on the top of the head so the animal can remain submerged. Baleen whales have two blowholes,while toothed whales have one.
There is an ideal spring tension for each unloader valve on a given pressure washer that will result in maximum pressure when the pressure washer trigger gun is engaged, and minimum spike in pressure when the trigger gun is released.here is an ideal spring tension for each unloader valve on a given pressure washer that will result in maximum pressure when the pressure washer trigger gun is engaged, and minimum spike in pressure when the trigger gun is released.
Diameter â Hoses in general are not one size fits all. They may have a different diameter. Usually you can find the small 1/4â hoses which can be used with a pressure washer that is rated for pressure washers up to 2700 psi. The medium hose diameter is 5/16â. They are usable with pressure washers that put out between 2700 and 3400 psi. The largest and most common diameter is the 3/8â hose. They are able to handle up to 5000 psi and they are usable with most pressure washers.