Graphics II - Safety Test

accident

any suddenly occurring, unintentional event which causes personal injury or property damage

combustibles

materials or liquids that catch fire easily

first aid

immediate, temporary care given to the victim of an accident or sudden illness until the services of a physician can be obtained

hazard

a potential source of danger

material safety data sheet

written or printed material concerning a hazardous chemical

Occupational Safety and Health Administration (OSHA)

federal agency established to ensure safe and sanitary working conditions for employees

right-to-know

statutory right of access to every public record of a state or federal agency

safety

state or condition of being safe; freedom from danger, risk, or injury

fire extinguishers

a portable devices that sprays water, foam, gas, or other material to put out a fire. Can contain carbon dioxide, dry chemical, foam, or pressurized water.

Class A Fires

fires in ordinary combustibles such as wood, paper, cloth, rubber, and many plastics

Class B Fires

fires in flammable liquids such as gasoline, petroleum greases, tars, oils, oil-based paints, solvents, alcohols. They also include fires involving flammable gases such as propane and butane. DO NOT include fires involving cooking oils and grease.

Class C Fires

fires involving energized electrical equipment such as computers, servers, motors, transformers, and appliances

Class D Fires

fires in combustible metals such as magnesium, titanium, zirconium, sodium, lithium, and potassium

Class K Fires

fires in cooking oils and greases such as animal and vegetable fats

carbon dioxide fire extinguishers

direct discharge as close to fire as possible, first at the edge of the flames, then gradually forward and upward; use for class B or class C fires

dry chemical fire extinguishers

direct at the base of the flames, then follow up by directing to remaining burning materials. Use for all classes of fire.

foam fire extinguisers

spray above fire, allowing to fall lightly on the fire; use for class A and class B fires

pressurized water fire extinguishers

direct stream at base of fire; use for class A fires only

Maintaining a safe and orderly shop

• Keep materials and supplies stacked and safely stored

• Participate in daily cleanup periods

• Report any unsafe condition in the shop

• Keep all tools and accessories in cabinets or tool racks

• Arrange all machinery and equipment to permit safe and efficient operation

• Keep the floor clean and free of debris at all times

• Dispose of or store all combustible materials in a safe container

• Check that adequate housekeeping equipment and cleaning materials are on hand to insure that maximum cleaning efficiency can be maintained

yellow

designates caution and marks physical hazards

red

designates location of the firefighting equipment (alarms, extinguishers)

ivory

highlights an area that might otherwise not be noticed

green

designates location of safety and first aid equipment

orange

designates dangerous parts of equipment which may cut, crush, shock, or otherwise injure

Hazardous Materials Identification System (HMIS)

labels that identify the level of hazardous materials

R    0

reactivity is stable

F 4

extremely flammable

R 2

personal protection required, violent chemical change

H 2

moderate health hazard

yellow star with D symbol

for combustible metals

green triangle with A symbol

for ordinary combustible fires, such as wood, rags, and trash

blue circle with C symbol

for electrical equipment

red square with B symbol

for flammable liquids

Shop Safety Rules

• DON’T keep equipment running when you walk away from it

• DON’T sit or lean on the light tables

• DO remove ties, scarves, loose clothing, etc. before using machinery

• DO stop the machine before reaching near moving parts

• DO wear ear plugs around loud continuous noises

safety rules regarding toxic chemicals

• Work in a well-ventilated area

• Wear protective gloves and aprons

• Wear safety goggles

• Store chemicals on the lowest shelves

• Never use unlabeled products

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