Puddling furnaces are usually entirely cased with iron plates, and blast furnaces with hoops round each course of the stack, or in those of thinner constructions the firebrick work is entirely enclosed in a wrought iron casing or jacket.
First of all there are always all sorts of bureaucratic hoops to jump through the first day.
Jump through hoops to earn 5 quid an hour.
A full range of accessories includes rotary cutters and mats, cotton batting, templates, hoops, patterns and buttons.
The object was to go round nine hoops, using golf croquet rules.