The following phrases have something in common that has nothing to do with their meanings. Can you determine what it is before looking at the hint below?

PEARL DIVERS
THE ADVANCED GROUP
WASHING MACHINE
HEDGE CLIPPERS
CHAMBER ORCHESTRA
EAGLE GATE
LIVE RADAR

HINT:
It has to do with hidden words.

Answers:

Each phrase conceals a human body part:

pEARl divers
tHE ADvanced group
waSHINg machine
hedge cLIPpers
chamber orCHESTra
eagLE Gate
LIVE Radar