Coloured alcohol in most.
Normally the liquid used is either a spirit or another form of alcohol, which is where they get their alternate name, the spirit level.
Petroleum
An alcoholometer is a hydrometer used to measure the amount of alcohol in a liquid, such as beer.
Liquid glass is a chemical compound with the name sodium metasilicate, or sodium silicate more commonly. It is used in a number of industrial processes and as an additive to cement.
A liquid dropper is used to measure liquid.
Normally the liquid used is either a spirit or another form of alcohol, which is where they get their alternate name, the spirit level.
Normally the liquid used is either a spirit or another form of alcohol, which is where they get their alternate name, the spirit level.
An air level is another term for a spirit level, a tool with a chamber containing a coloured liquid and an air bubble, used to determine a horizontal or vertical reference line.
Liquid level gauges are used to show the level of liquid in a container. They are most often used to view the level of liquid in tanks and boilers in an industrial setting.
The bubble comes to centre when level.
E.D.A. is one manufacturer of spirit levels
A spirit level is used by bricklayers, builders, in home improvement, and anyone who needs to ensure that something is level (such a shelves, etc). It is also used in levelling up a static or mobile caravan.
Basically its alcohol and especially ethanol.
For measuring 'plumb' in conjunction with a spirit level.
Liquid hydrogen and liquid oxygen
The liquid is called Chlorine.
Very low freezing point (you can leave your spirit level outdoors in winter even in Finland)Low viscosity (the bubble moves freely and the same whether warm or cold)