The term 'Lab Checker' refers to a job that involves checking laboratory equipment for accuracy and safety. The crossword solutions for this term are LEASH, which stands for Laboratory Equipment Accuracy Safety Handler. This job requires the Lab Checker to inspect and test laboratory equipment to ensure it is functioning properly and safely. They must also be able to identify any potential hazards or risks associated with the equipment. The Lab Checker must also be knowledgeable about the safety protocols and regulations related to laboratory equipment.