Motor parts: 1  back plate, center pole, front plate â these three parts are usually made of iron or a similar permeable material to form the magnet circuit with the magnet. The front plate and pole piece form the gap of the magnet circuit.
The cost to install drywall is about $1.50 per square foot. After material and labor are added in, the cost per panel can range from around $40.00 to $60.00. A typical 12x12 room, for example, will use 12 panels.
For the patio installation, the typical costs include: 1  According to PaveTech, the average concrete patio will cost around $700 using pavers and doing all of the work independently. 2  The above figures place the patio installation at $21 per square foot. Traditionally, a patio at the size mentioned will cost roughly $2,000 to $4,000. 2  The resale value of this update would hold at the high-end of $3,200, or an 80% return on investment. 3  The above figures place the patio installation at $21 per square foot.