Keyword Analysis & Research: why are iron lung machines still used

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
why are iron lung machines still used	0.43	0.6	4260	49	37
why	0.63	0.1	5462	5	3
are	0.64	0.1	6954	13	3
iron	1.26	0.8	4495	25	4
lung	1.95	0.2	9682	69	4
machines	0.6	0.5	4268	59	8
still	0.26	0.1	9897	39	5
used	0.75	1	5775	12	4

Keyword	CPC	PCC	Volume	Score
why are iron lung machines still used	1.59	0.1	5836	52
iron lung still used	0.22	0.2	4820	4
what does an iron lung machine do	1.28	0.4	840	15
iron lung still used today	1.21	0.3	643	25
how do iron lung machines work	1.21	0.6	4097	45
are iron lungs used anymore	1.86	0.5	9803	54
is an iron lung still being used	0.42	0.7	5501	90
iron lung machine is it still being used	0.8	0.6	5812	7
are iron lung machines still used	1.6	0.1	4165	17
are iron lung still used	1.76	0.4	3513	39