improve the structure improve the success improve the supply improve the surface improve the sustainability improve the symptoms improve the system improve the text improve the texture improve the thermal improve the training improve the transparency improve the treatment improve the understanding improve the usability improve the use improve the user improve the user experience improve the value improve the visibility improve the water improve the way improve the way you improve the website improve the welfare improve the well-being improve the work improve the working improve the working conditions improve the working environment improve the world improve the yield improve their ability improve their chances improve their competitiveness improve their efficiency improve their english improve their environmental improve their financial improve their health improve their knowledge improve their life improve their lives improve their living conditions improve their lot improve their overall improve their own improve their physical improve their productivity improve their products improve their quality improve their quality of life improve their services improve their situation improve their skills improve their social improve their work improve them improve themselves improve thermal improve things improve this process improve this situation improve time improve too improve tourism improve traction improve trade improve traffic improve traffic flow improve training improve transit improve transparency improve transport improve transportation improve treatment improve trust improve understanding improve upon it improve urban improve usability improve user improve user experience improve vehicle improve ventilation improve video improve visibility improve vision improve visual improve waste improve water improve water quality improve web improve website improve weight improve well-being improve what improve what you improve with age