PERSON@1 completed an apprenticeship in retail sales in a LOCATION@1 hardware shop from NUMBER@1 to NUMBER@2 , then worked in a retail shop in PERSON@2 and after that as an unskilled construction worker and a sales clerk in LOCATION@2 while studying at night school to gain a high school diploma .

After school he learned retail sales in a Lemgo from NUMBER@1 to NUMBER@2 .
