Hand-seeding, hydroseeding, sod, and artificial turf vary greatly in both the initial installation cost and the ongoing cost to maintain. Learn more about the cost differences between these installation methods, both initially and over time.
patch - a short set of commands to correct a bug in a computer program. computer program, computer programme, programme, program - (computer science) a sequence of instructions that a computer can interpret and execute; the program required several hundred lines of code.
Patch testing is a way of identifying whether a substance that comes in contact with the skin is causing inflammation of the skin (contact dermatitis). There are two types of contact dermatitis: irritant contact dermatitis and allergic contact dermatitis.