Level 3 - Unit 11 - B1+ (D)

efficient

being effective without wasting time or effort or expense

portable

capable of being easily carried

ingenious

clever; resourceful

practical

Useful and sensible

contraption

a mechanical gadget or device

solar panels

a panel designed to absorb sunlight as a source of energy for generating electricity or heating

appliance

a piece of electrical equipment with a particular purpose in the home

gadget

a small device or machine with a particular purpose

device

a thing made or adapted for a particular purpose, especially a piece of mechanical or electronic equipment.

instrument

a tool or device used for a particular purpose

utensil

a useful tool

repurpose

adapt for use in a different purpose.

tool

any handheld object that has been modified to help a person accomplish a task

gear

equipment

futuristic

extremely modern and unusual in appearance, as if belonging to a future time

specialize

focus on one particular product, activity, or job

develop

grow or cause to grow and become more mature, advanced, or elaborate.

artificial

made by human beings and not by nature

breakthrough

making an important discovery

expertise

specialized knowledge (in a particular field); expert skill

collaboration

the act of working together

adapt

to adjust or change to suit conditions

innovate

to be creative; to introduce something new

improve

to make something better

create

to make something new

exploration

to travel for the purpose of discovery