Chapter 1- Safety
MSDS
Refer to the ---- to learn about how to handle hazardous substances.
flash goggles & flash
Wear ----- to protect your eyes from the ---, which is the sudden, bright light that occurs when you start up a welding operation.
straight ladder
a nonadjustable ladder
scaffold
a platform from which criminals are executed (hanged or beheaded)
stepladder
a self-supporting ladder consisting of 2 elements hinged at the top
Foot-candle
a unit of illuminance on a surface that is everywhere 1 foot from a point source of 1 candle
GFCI
ground fault circuit interrupter—a device that detects current leakage from a circuit to ground and shuts the current off. Detects any difference in current between the two circuit wires (the black wires and white wires)
Lockout/ tagout
is a formal procedure for taking equipment out of service and ensuring it cannot be operated until a qualified person has returned it to service.
slag
residue from smelting metal; waste material (-)
dross
the cutting process results in oxides that mix with molten iron and produce ---.
apparatus
(anatomy) a group of body parts that work together to perform a given function
welding shield
----- for welding includes a face shield, ear plugs, and gloves.
ground
A ---- is the conducting connection between electrical equipment or an electrical circuit and the earth.
qualified person
A ------ has proven his or her extensive knowledge, training, and experience and has successfully demonstrated the ability to solve problems relating to the work.
competent person
A ------ identifies unsanitary, hazardous, or dangerous working conditions and has authority to correct or eliminate them.
trench
A ------- is a narrow excavation made below the surface of the ground that is generally deeper than it is wide.
switch enclosure
A box that houses electrical switches used to regulate and distribute electricity in a building
flashback
A welding flame that flares up and chars the hose at or near the torch connection. It is caused by improperly mixed fuel.
permit-required confined space
Before working in a ---- you must be trained, obtain written authorization, and take the necessary precautions.
shoring
General term used for lengths of timber, screw jacks, hydraulic and pneumatic jacks, and other devices that can be used as temporary support for formwork or structural components or used to hold sheeting against trench walls. Individual supports are called shores, cross braces, and struts.
mid-rail
The ----- on a scaffold is placed halfway between the toeboard and the top rail.
Electrical distribution panel
The ---houses the circuit that distribute electricity throughout a structure.
OSHA
To save lives, prevent injuries, and protect the health of America's workers, --- publishes rules and regulations that employees and employers must follow.
hand line
When climbing a ladder or scaffold, use a tagline or ---- to pull up your tools.
lanyard
When doing work more than 6 feet above the ground, you must wear a safety harness with a ---- that is attached to a strong anchor point.
spall
a fragment broken off from the edge or face of stone or ore and having at least one thin edge
safety culture
a good --- helps prevent or correct conditions that can cause accidents.
six-foot rule
a rule stating that platforms or work surfaces with unprotected sides or edges that are six feet or higher than the ground or level below it require fall protection.
HazCom
is an OSHA rule requiring all contractors to educate their employees about the hazardous chemicals they may be exposed to on the job site.
Arc welding
is the process of joining metal parts by fusion.
Experience modification rate
A rate computation to determine surcharge or credit to workers' compensation premium based on a company's previous accident experience.
top rail
A top-level, horizontal board required on all open sides of scaffolding and platforms that are more than 14 inches from the face of the structure and more than 10 feet above the ground.
excavation
An ---- is any man-made cut, cavity, trench, or depression in an earth surface, formed by removing earth.
extension ladder
An ---- is basically two straight ladders that are connected so the length of the ladder can be changed.
confined space
An ---- is large enough to work in but has limited means of entry or exit; sometimes a permit is required to work in it.
planked
An opening in a wall or floor is a safety hazard and must be either covered or ---.
flammable
Because --- scrap materials catch fire and burn easily, remove them regularly from the work area.
flash burn
Even a brief exposure to the ultraviolet light from arc welding can cause damage to your eyes, causing an ---.
cross-bracing
If a scaffold is more than 10 feet high, --- or pieces of wood or metal placed diagonally from of one rail to the top of another rail that add support to a structure- must be used.
planked
If a work area is -----, that means it has pieces of material at least 2 inches thick and 6 inches wide used as flooring, decking, or scaffolding.
arc
If fuel is improperly mixed, it can cause an ---.
signaler
If you are operating a vehicle on a job site and cannot see to your rear, get a ----- to direct you.
maximum intended load
Overloading, which means exceeding the ----------- of a ladder, can cause ladder failure.
respirator
SCBA is an example of a ----, or an assembly of machines used to do a particular job.
combustible
Store --- liquids in safety cans to avoid the risk of fire.
concealed receptacle
The electrical outlet that is placed inside the structural elements of a building, such as inside the walls. The face of the receptacle is flush with the finished wall surface and covered with a plate
Management system
The organization of a company's management, including reporting procedures, supervisory responsibility, and administration.
flash point
The temperature at which a fuel gives off enough gases to burn is called the ---.
maximum allowable slope
To prevent a cave-in, follow OSHA regulations for ---- up a trench.
wind sock
shows the direction that the wind is blowing and the speed.
Proximity work
work done near a hazard but not actually in contact with it
