Langerhans' cell histiocytosis can manifest as three distinct clinicopathologic entities: acute disseminated Langerhans' histiocytosis (previously known as Letterer-Siwe disease), unifocal Langerhans' cell histiocytosis (previously known as eosinophilic granuloma).
average handle time (AHT) Average handle time (AHT) is a call center metric for the average duration of one transaction, typically measured from the customer's initiation of the call and including any hold time, talk time and related tasks that follow the transaction. AHT is a prime factor when deciding call center staffing levels.
General recommendations for selection are: 1  the load on three-, and four-wheel hand carts should not exceed 200 Kg (approximately 450 lbs), 2  the load on hand pallet carts can be up to approximately 700 Kg (1500 lbs), 3  manual carts should not be used more than 200 times a work day,