a:4:{i:0;a:2:{s:4:"name";s:10:"Operation:";s:3:"val";s:9:"hydraulic";}i:1;a:2:{s:4:"name";s:19:"Application domain:";s:3:"val";s:8:"podiatry";}i:2;a:2:{s:4:"name";s:19:"Number of sections:";s:3:"val";s:9:"3-section";}i:3;a:2:{s:4:"name";s:9:"Features:";s:3:"val";s:17:"height-adjustable";}}