This is a "Husförhörslängd", a rather unique Swedish instrument, which was made as the pastor traveled round to all the homes of the parish, wrote down the names of all persons in the household, and examined each one to assess their Bible knowledge and Christian faith.
The reason why they are struck out is probably explained in the rightmost column, which says that the family emigrated to Canada 4 April (19)06.
"Maskinarb" is an abbreviation for "Maskinarbetare" = machine worker, which means that he was operating some unspecified machine, such as eg. a lathe.
I haven't looked for a date, but the source info says it's from the period 1900-1910, and this page seems to have been recorded near the end of that period.