The mean roughness Ra matches the arithmetical mean of the absolute. values related to the profile deviation y within the reference length l. Max. profile valley depth Rmax (DIN 4768) The max. profile valley depth Rmax counts for the most significant single. roughness depths Zi within the total length lm.
Benefits. Every 500 Nectar points you redeem is Â£2.50 off your total, which means more money to spend on the goods you want. You can also save further Nectar points for each Argos purchase you make, simply by presenting your card at the checkout. Simply present your Nectar card at the till and the cashier will swipe your card to automatically deduct the points from your account (subject to system availability). 2  Any remaining balance will need to be paid in full by cash, debit or credit card on the day.
1 Type in your town and we'll tell you if the items are in stock at your nearest store. 2  Choose to reserve the item(s) by clicking the 'reserve now' button. 3  It's as easy as that! 4  You don't need to give us any personal details, unless you wish to receive details of your reservation by email.lease note that our prices change, sometimes on a daily basis. The price you pay is the price in store on the day you collect your items. To find the Argos store closest to you, please visit our Store locator. Service available on all items which state 'this item can be reserved for store pick up'.