That depends. Are you using it with a Mac or a PC? If a PC, then yes, the control key on PC is like the command key on a Mac. If you're using your Dell keyboard with a Mac, then in my experience the Windows key should map to Command, and the Alt key should be Option. Report abuse.
1 Concrete price increases nationally (excluding WA) of between $8.00 and $16.50/m3 equating to around 5-9%, effective 1 April 2015. 2  Concrete price increases in WA of $12.00/m3 equating to around 6-8%, effective 1 March 2015.
A simple project to raise a slab of concrete will cost less than, if there is a large void under the slab requiring more material. In general terms, concrete raising can cost between $2-$5 per square foot. For example: a 10 ft. x 10 ft. section needs to be raise is 100 square feet. This job could cost between $200 and $500 to repair. Depending on how far the slab is settled, if there are voids present, or if other sections need to be involved in the repair, will determine where in the scale the job would be bid.