adult

aerials

agree

american

architecture

attractive

blueprint

business

businessman

cables

caucasian

century

combined

concept

confident

conservation

construction

contractors

control

cycle

electricity

energy

engineer

engineering

engineers

ethnic

group

hands

happy

industry

job

join

looking

male

man

meeting

men

occupation

people

person

plan

portrait

power

professional

smile

suit

team

teamwork

together

turbine

two

voltage

white

woman

work

worker

young