energy

(a)  

energetic

(a)  

energetically

(a)  

recent

(a)  

recently

(a)  

bill

(a)  

enormous

(a)  

enormously

(a)  

plumber

(a)  

plumbing

(a)  

crack

(a)  

to crack

(a)  

pipe

(a)  

to drip

(a)  

dripping faucet

(a)  

to waste

(a)  

waste

(a)  

to give sb advice on

(a)  

instead of

(a)  

to turn on

(a)  

to turn off

(a)  

to turn up

(a)  

to turn down

(a)  

to turn over

(a)  

to take off

(a)  

to take over

(a)  

to take up

(a)  

to look at

(a)  

to look after

(a)  

to look up

(a)  

to look down

(a)  

to look forward to

(a)  

to look over

(a)  

to look out

(a)  

to get at

(a)  

to get away

(a)  

to get by

(a)  

to get on

(a)  

to get over

(a)  

to get up

(a)  

to go on

(a)  

to continue

(a)  

solar

(a)  

solar energy

(a)  

nuclear

(a)  

energy

(a)  

nuclear power

(a)  

solar panel

(a)  

source

(a)  

a source of power

(a)  

a power source

(a)  

to install

(a)  

installation

(a)  

resource

(a)  

resources

(a)  

natural resources

(a)  

luxury

(a)  

luxurious

(a)  

luxuriously

(a)  

recessity

(a)  

recessary

(a)  

necessarily

(a)  

consumer

(a)  

to consume

(a)  

to effect

(a)  

effect

(a)  

effective

(a)  

effectively

(a)  

household

(a)  

to account for s.t

(a)  

bulb

(a)  

to standardize

(a)  

standard

(a)  

standard

(a)  

energy

(a)  

saving bulb

(a)  

to scheme

(a)  

scheme

(a)  

tumble dryer

(a)  

efficiency

(a)  

efficient

(a)  

efficiently

(a)  

to compare

(a)  

comparison

(a)  

comparative

(a)  

comparative

(a)  

comparable

(a)  

category

(a)  

ultimate

(a)  

ultimately

(a)  

to innovate

(a)  

innovation

(a)  

innovator

(a)  

innovative

(a)  

to sum up

(a)  

solid

(a)  

to separate

(a)  

separate

(a)  

separation

(a)  

separative

(a)  

to draft

(a)  

draft

(a)