Before revision: Some of these early unions also came out of a guild tradition , in which skilled workmen often owned their own shops or, if they worked for another, had a good deal of control over how the work was done, which they policed by maintaining standards for admission into the trade , requiring entrants to go through an apprenticeship program controlled by the union, rather than the employer , and dictating the processes, tools, standards and pace of work.
After revision: Some of these early unions also came out of a guild tradition ; in which skilled workmen often owned their own shops or; if they worked for another, had a good deal of control over how the work was done, which they policed by maintaining standards for admission into the trade , requiring entrants to go through an apprenticeship program controlled by the union, rather than the employer , and dictating the processes, tools, standards and pace of work.