Ballistic projectile armour includes a hard shell, kinetic energy absorption material and an energy diffusing backing layer. The hair bundle is received into a through hole via a slit. Further, through a reductive alkylation reaction of the compound thus produced with an aspartame, N-N-3-phenyl) propyl-L-\u03b1-aspartyl-L-phenylalanine 1-methyl ester, which is useful as a sweetener having a high sweetening potency, can be industrially and efficiently produced. The ultraviolet lamp and a bulb extends through both compartments and the baffle to purify the water. Communication configuration information may, for example, comprise executable code.