12. A lubricant is a substance introduced to
lessen friction between moving surfaces.
It may also transport external particles.
The property of reducing friction is known
as lubricity.
18. A solvent is a component of a solution that
dissolves solute and is usually present in a large
proportion or amount. It can be classified as polar
and nonpolar. Polar solvents are solvents that
dissolve/are soluble in water; while nonpolar
solvents are solvents that do not dissolve/are
insoluble in water. Solvents are usually used for
cleaning in workshops. They are water, gasoline,
kerosene, thinner and detergent soap.
19. CLEANING SOLVENTS SOLUBILITY IN
WATER
POLAR/
NON POLAR
1.WATER SOLUBLE X
2. GASOLINE INSOLUBLE X
3.
KEROSENE
INSOLUBLE X
4. THINNER INSOLUBLE X
5.
DETERGENT
SOAP
SOLUBLE X
20. USES OF CLEANING SOLVENTS
1. WATER Wash dust on the floor,
walls, etc.
2. GASOLINE Wash greasy tools/
equipment.
3. KEROSENE Remove dust, grease oil,
paint, etc.
4. THINNER Remove spilled paint on
the floor, walls, and tools
5. DETERGENT SOAP Wash/clean benches,
tables, cabinets, etc
21. 5’s APPROACH IN WORKSHOP
KEEPING
5’S is a reference to a list of five Japanese
words translated into English. This is an
approach of organizing and managing the
workplace and workflow with the intent to
improve efficiency by eliminating wastes,
improving the flow of production, reducing
process delays.
24. Sorting is an action to identify and eliminate
all unnecessary items from your workplace
and disposing of them.
Systematizing is an action to arrange or put
every necessary item in good order so that
they can be easily picked for use.
Sweeping is an action to clean your
workplace thoroughly so that there is no dust
on the floor, machines, and equipment.
25. Sanitizing is a condition of maintaining a high
standard of cleaning and workshop
organization at all times.
Self-discipline is a condition of training
people to follow cleaning disciplines
independently.
