There's no set answer to that. The strength of the solenoid isn't decided by the voltage alone, so it'd be entirely possible to build them either way.
Leave them alone!
in 2011 its already out
A direct acting solenoid valve is one in which the action of the solenoid alone switches the valve gate. Most solenoid valves are "piloted", which means that a relatively small solenoid valve is used to allow pressurized air to actuate the valve gate mechanism. Because the solenoid does all of the work in a direct acting valve, the solenoid must therefore be larger than that of a piloted valve in order to generate the switching force. Piloted solenoid valves have the advantage of being more compact and consuming less current than a direct acting solenoid valve. Direct acting solenoid valves are useful when switching low pressure fluids.
Depending on what you mean by a "stand-alone license", either on multiple computers, or in a business.
It usally is already old anough to live alone and the koalas are trained already.
By leaving it alone because it is already a decimal
Yes I can, Not only can I snake a laundry room sink alone I have already snaked a 36" main sewer alone Water Jetting I already cleared a stoppage in a 48" line
Think about it and you can figure it out. If something is already well enough, why should you mess with it? Just leave it alone because it's already good.
no, your need 3 to 4 persons, especial for the liner.
By leaving it alone because 6.27 is already expressed as a decimal.
By leaving it alone because 10.92 is already expressed as a decimal