A treatment device for treating food products with conditioned air comprises a housing with a product inlet and product outlet, which housing defines a treatment chamber. The WAP application server acts as a proxy and issues an LBS request to a relevant LBS platform. coupled multistage high gain operational amplifier includes at least two gain stages, each having an input and an output; an a. The number of entries in each category may be used to infer the performance of the domain name system. The invention provides an objective lens unit including a lens barrel for supporting optical components, wherein an end surface of the lens barrel is disposed farther towards the distal side than an optical component at the extreme distal end, and channel-shaped indented portions extending in the diametrical direction are formed in the end surface of the lens barrel. The trench portion has opposite side surfaces on which the core is exposed.