42.46

has to do with amplitude

amplitude modulation

pulse amplitude

vibration amplitude

amplitude control

has to do with vacuum

vacuum system

vacuum pump

vacuum cleaner

high vacuum

42.47

has to do with a region

regional government

regional office

Asia-Pacific region

has to do with a sector

industry sector

construction industry

financial sector

42.48

space is cosmic

space is original

space is infinite

space is regional

space and duration

space can be superficial

42.49

blank spaces

vacant space

aerospace industry

aerospace engineering

aerospace company

space is measured by latitude

and by longitude

space measures in miles

measures in yards

in meters and centimeters

in inches and feet

in square meters

in square feet

in square miles

in acres

from nanometers to light years

SPACE

42.50

EFFECTIVELY

effectively is in reality or in fact

effectively can also mean successfully

well realistically or really

in order to effectively

learn to work side by side

effectively managing

Audio Credits: NASA, kennysvoice