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.
1 When you sit in the chair the seat pan should be at least one inch wider than your hips and thighs on either side. 2  The seat pan should not be too long for your legs otherwise it will either catch you behind the knees or it will prevent you from leaning fully back against the lumbar support. The seat pan should not be too long for your legs otherwise it will either catch you behind the knees or it will prevent you from leaning fully back against the lumbar support. 2  Most ergonomic chairs have a seat pan with a waterfall front that prevents the seat from catching you behind the knees.