Draw a line parallel. to the front edge of the countertop, indicating how far back the sink should be located. Typically the setback is 2 to 2-112 from the front of the counter, depending on the. countertop overhang,the type of sink bow and the size of the sink deck.raw a line parallel. to the front edge of the countertop, indicating how far back the sink should be located. Typically the setback is 2 to 2-112 from the front of the counter, depending on the. countertop overhang,the type of sink bow and the size of the sink deck.
Researchers have determined that the risk zone for driver airbags is the first 2 to 3 inches (5 to 8 cm) of inflation. So, placing yourself 10 inches (25 cm) from your driver airbag gives you a clear margin of safety. Measure this distance from the center of the steering wheel to your breastbone. Move your seat to the rear as far as possible while still reaching the pedals comfortably. Slightly recline the back of your seat.
A back height of about 12 to 16 above the seat is ideal for most adults. Note that this guideline is often ignored for formal high-backed dining chairs. The lower portion of the seat back (first 4-8) should curve out or be left open to allow room for the buttocks.