Require usually means always require. Require once refers to a one time requirement that is waived for future events.
include is optinal and you have to have required things.
Systems Commissioning is the process of testing final versions of software, hardware and configuration in their final locations. Once completed, it is "Live" (Available for use) and will not require further testing.
An opcode is an instruction. An operand is information used by the opcode. Not all opcodes require operands.
They're completely identical except how they output errors. Include produces a warning, while Require produces a fatal error.
The difference between CD ROM and WORM is that WORM allows to write once for the first time. Capacity is also a characteristic difference.
The difference between an abiotic factor and a biotic is that abiotic means something that will never will live or never once lived and biotic means that once lived and is living to this day.
Law require a politician. Morals only require, at the least, an elementary sense of right and wrong/good and evil.
A need is something you have to have, and want is something you like to have but don't require to survive.
Once is Canadian and one is Thai
The main difference between mechanical and electromagnetic waves is that mechanical waves require a medium (such as air or water) to travel through, while electromagnetic waves can travel through a vacuum (empty space) because they do not require a medium.
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71 is, itself an integer but to find a difference you require 3 numbers.71 is, itself an integer but to find a difference you require 3 numbers.71 is, itself an integer but to find a difference you require 3 numbers.71 is, itself an integer but to find a difference you require 3 numbers.