BWT fa'amalama fa'asologa fa'asolosolo lasers o lo'o i ai le lelei o se moli malamalama, kilomita-umi mamao mamao, umi le ola, maualuga le fa'atuatuaina, ma le tausiga e leai se totogi.E faʻaaogaina lautele i le vaʻaiga i le po, masini vaʻaia, faʻaaliga laser, faʻaaliga laser, ma isi faʻamatalaga faʻamalama faʻapitoa LD.