Keyword Analysis & Research: purpose of iron lung machine

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
purpose of iron lung machine	0.96	0.1	2598	35	28
purpose	0.57	0.8	4163	50	7
of	0.68	0.5	1482	19	2
iron	1.46	0.6	691	8	4
lung	1.19	0.1	5730	22	4
machine	1.27	0.9	9741	17	7

Keyword	CPC	PCC	Volume	Score
purpose of iron lung machine	0.04	0.6	2688	19
iron lung machine how it works	0.92	0.2	3643	51
the iron lung machine	1.27	0.7	3226	98
iron lung machine pictures	1	0.3	4098	71
iron lung machine for sale	1.42	0.4	1135	64
what was a iron lung used for	1.82	0.7	9000	65
who invented the iron lung machine	1.63	0.2	3302	25
iron lung medical device	0.29	0.9	7538	64
how did an iron lung work	0.78	0.2	6565	82
iron lung how it works	0.24	0.4	1494	44
how an iron lung works today	1.67	0.3	8183	87