A: Alexander Graham Bell lived much of his life in the town of  Brantford, Ontario. The educator and primary inventor of the telephone settled there with his family in 1870.
Control joints can be bridged and moved to a grout joint, although it's better to try and lay the tile out to the joint if possible. It's expansion joints that must be honored thru the tile. __________________. Whether you think you can, or you think you can't, you're probably right..
In commercial construction, control joints are often formed by saw-cutting and this should take place within the first 4-6 hours after placement, or as soon as you can walk on the slab and saw-cut without dislodging any aggregate from the concrete. If a slab cracks at a control joint, then it has done its job.