Useful materials
The following are some of the examples of useful materials
Glass - used for creating glass, bottles, mirror, etc
Wood - used for creating houses, etc
Plastic - used for creating important objetcs
Metal - used for creating various gadgets
Fabrics - used for creating clothes
Materials are used in creating different objects.
Objects from materials
The following are some of the examples of useful objects from the materials listed above
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Stove - for cooking food
Cellphone - mainly used for communication
Radio/TV - to get information
Knife - for chopping food
Kitchenwares - for preparing and cooking food
Water bottle - storage of water
Clothes - to keep ourselves warm
Slippers - to protect our feet when going outside
Washing machine - for washing clothes
Laptop - for work and daily use
Harmful materials
Hazardous materials are substances that could harm human health or the environment. Hazardous means dangerous, so these materials must be handled the right way. Hazard communication, or HAZCOM is teaching people how to work with hazardous materials and waste. ... Chemicals, like some that are used for cleaning.
Common hazardous substances
- acids.
- caustic substances.
- disinfectants.
- glues.
- heavy metals, including mercury, lead, cadmium and aluminium.
- paint.
- pesticides.
- petroleum products
