pre tech Flashcards
What is a tool?
this is an instrument held by the hand and is used to do work
what arer the physical properties of metals?
conductor of heat or not
conduction of electricity or not
ferrous and non ferrous
magnetic and non magnetic
what are drawings?
Drawing are types of diagrams used for communication to show the shape and structure of a given idea or product.
define a artistic drawing
Artistic drawing – are made to visualize an idea and portray the general shape of an item, building or product.
They give a 3D view of an object
define a technical drawing
Technical drawings – are made to give a precise and detailed view of an object.
They give information about how an object functions or how it is constructed.
state four ways of differentating artistic and technical drawings
Purpose
Presentation
Interpretation
Level of precision
what is construction?
this is the use of drawing instruments to construct lines ,shapes and angles
what is a material?
a material is a useful substance
define safety
doing activities that help us avoid injuries
define safety hazards
Unsafe conditions or objects that harm us or cause injuries to us
state procedure of a cut
Wash your hands
Apply gentle pressure around the cut with a clean piece of cloth or cotton wool until bleeding stops
Clean the cut with clean water. Do not use soap
Once the cut is clean and is not bleeding, apply some antiseptic
Cover the cut with a bandage or clean piece of cloth to keep away dirt
state procedure of scald
Remove clothing or jewellery where the injury has occurred
Place the injured area under cold water for about 20 minutes
Do not pop the blister or blisters if they form
Cover the scalded area with a loosely clinging clean piece of cloth or gauze
state procedure of burns
move away from the source of burn
Remove clothing or jewellery around the burnt area
Cool the burn under cold running water for about 5 minutes. You can also deip the part in cold water
Cover the burnt area with a loosely clinging clean piece of cloth
name five carreers related to safety
crossing guards
Safety engineers
life guard
Risk manager
Environment health and safety consultants
name five careers related to metals
welding
fabricator
blacksmithing
mining
metal cutting
