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.
A patch test is a method used to determine whether a specific substance causes allergic inflammation of a patient's skin.Any individual suspected of having allergic contact dermatitis or atopic dermatitis needs patch testing.Patch testing helps identify which substances may be causing a delayed-type allergic reaction in a patient, and may identify allergens not identified by blood testing or skin prick testing.atch testing helps identify which substances may be causing a delayed-type allergic reaction in a patient, and may identify allergens not identified by blood testing or skin prick testing.