Tools must be fit and operation. Under the appropriate environmental conditions to achieve confidence in the ability of the ongoing process must follow the standard quality plan. The needs of the work unit and document systems.
Tools must be carried out under reasonable and proper environment to achieve confidence in their abilities. The process of continuous quality plan must comply with the standard requirements of departments and system documentation.
Equipment must be reasonable and to proceed under the suitable environment to provide confidence in ability. The process continued to practice. According to the quality plan, the needs of units and system documents.