This can form a pun on the family name as in Thomas Nevile's motto Ne vile velis. Mottoes are typically modified at will and don't make up an integral a half of the armorial achievement. In Scottish heraldry, the place the motto is granted as a part of the blazon, it's often shown on a…
For flammable and/or hazardous materials, keep the centrifuge under negative strain to an acceptable exhaust system. On many brands of combined stirrer/hot plates, the controls for the stirrer and temperature management are not easily differentiated. A fireplace or explosion might occur if the temperature rather than the stirrer speed is increased inadvertently. To avoid explosion,…