spray or wet cutting. • respirators should be used to limit exposure where suppression methods aren't available or sufficient. respirators should be approved for protection against crystalline silica- containing dust. do not alter the respirator in any way. learn the proper way to use a respirator....
in structures such as the leaves and/or stems resulting in parts that are more than normally thickened and fleshy. these parts by retaining water give the plants an advantage in arid climates. in families such as cactaceae, (cactus), agavoideae, (agave), and crassulaceae (crassula), most plants are...